---
product_id: 209566805
title: "Angle Protractor Angle Finder Ruler Two Arm Stainless Steel Protractor Woodworking Ruler Measure Tool with 0-180 Degrees(30 cm/ 11.8 Inch)"
brand: "outus"
price: "£11.48"
currency: GBP
in_stock: true
reviews_count: 13
category: "Outus"
url: https://www.desertcart.co.uk/products/209566805-angle-protractor-angle-finder-ruler-two-arm-stainless-steel-protractor
store_origin: GB
region: United Kingdom
---

# Dual ruler scales (0-25cm & 0-30cm) 180° semicircular protractor range Knurled thumb nut for angle locking Angle Protractor Angle Finder Ruler Two Arm Stainless Steel Protractor Woodworking Ruler Measure Tool with 0-180 Degrees(30 cm/ 11.8 Inch)

**Brand:** outus
**Price:** £11.48
**Availability:** ✅ In Stock

## Summary

> 📐 Master every angle with precision and style — don’t let your projects settle for less!

## Quick Answers

- **What is this?** Angle Protractor Angle Finder Ruler Two Arm Stainless Steel Protractor Woodworking Ruler Measure Tool with 0-180 Degrees(30 cm/ 11.8 Inch) by outus
- **How much does it cost?** £11.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/209566805-angle-protractor-angle-finder-ruler-two-arm-stainless-steel-protractor)

## Best For

- outus enthusiasts

## Why This Product

- Trusted outus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Scale Versatility:** Measure lengths up to 30 cm with fixed and moving rulers for ultimate flexibility in your projects.
- • **Effortless Angle Locking:** Knurled thumb nut locks angles quickly and securely, perfect for consistent bevels and radial lines.
- • **Precision Meets Durability:** Laser-etched stainless steel ensures clear, accurate readings and long-lasting wear resistance.
- • **Sleek Stainless Steel Build:** Rust-resistant and robust design that stands up to daily use in woodworking, architecture, and engineering.
- • **Designed for the Detail-Oriented:** Ideal for professionals and hobbyists who demand precision without breaking the bank.

## Overview

The Outus Angle Protractor combines a 0-180° semicircular protractor with dual rulers (up to 30 cm) in a durable stainless steel body. Featuring precision laser-etched markings and a knurled thumb nut for secure angle locking, this tool is engineered for accuracy and longevity. Perfect for woodworking, architectural design, and engineering tasks, it offers professional-grade measurements in a compact, rust-resistant form.

## Description

Product description Semicircular Protractor 2 Adjustable Protractor Arms Quickly and easily identified by knurling thumb nut locking in the desired position. Meet your basic work and learning needs. Made of stainless steel material, and can be applied for a long time, but notice that the peaked stainless steel edge, please be cautious while using. Easy to Read Well Durability Wear Resistance Not Easy to Rust Precision Laser Etching Clear and Accurate Scales

Review: Great LITTLE tool at a good price - I read all the 1- and 2-star reviews...I'm not sure what the heck those folks were expecting for $11. Yeah, the edges were a bit sharp...I spent two minutes running a fingernail board over the edges, now they're smooth as butter. Yeah, the knurled cap-nut was a bit tight as shipped, but no real problem. Yes, the cap-nut didn't tighten down enough to hold the swing-arm securely (the threaded hole is a bit too short), so I added a tiny washer on top of the compression washer, and now it holds tight. They said the tool they received is inaccurate...but I found it to be within half a degree (or less?) at 25°, 30°, 45°, and 90°. The small size of this protractor doesn't really permit measurement to tighter tolerances than that. One guy said the angle was measured wrong, "...The middle of the ruler and not the edge is where the angle would be accurate." Say WHAT?! As long as the edge of the swing arm is parallel to an imaginary line down the middle (which it IS), then the angle is always going to be the same, whether measured at the middle or EITHER edge of the swing-arm. A couple of folks rated the protractor low because it wouldn't measure inside angles. [sigh] If you want to measure inside angles, buy the right tool. You can get a plastic goniometer for under $8. You can buy a digital angle finder for as little as $17 (although I'd likely shell out twice that and get the Klein). If you want to stay on the cheap, and you already have this little protractor, use a sliding T-bevel (or even just fold a piece of paper) to match the inside angle, then use the protractor to measure the outside angle. But don't criticize a tool because it won't do something it was never intended to do. Look, I'm an amateur woodworker. I buy and fettle old chisels and planes. I use a honing guide to set the initial bevel (25°) for the cutting edges on the chisels and plane irons. We aren't looking for crazy precision, we just want to be consistent and close enough. This little tool is exactly what we need.
Review: Accurate - Works perfectly and accurate

## Features

- 2-in-1 Design: the combination of ruler and protractor makes it can measure length (0-25 cm/ 0-10 inches) by fixed ruler and measure length (0-30 cm/ 0-12 inches) by moving ruler, semicircular protractor at the top can measure from 0-180 degrees left to right and right to left
- Precision tool: protractor and ruler of angle measure tool are precision laser etching, the readings are clear and accurate, easy to read, durable and convenient for your use
- Quality material: angle finder protractor is made of quality stainless steel, with well durability and wear resistance, not easy to rust, and can be applied for a long time, but notice that the peaked stainless steel border, please be cautious while using
- Adjustable protractor arm: angle is quickly and easily identified by knurling thumb nut locking in the desired position, you can fix the angle to plot, suitable for setting bevels, draw radial lines, measuring and marking angles
- Wide Usages: round head protractor is suitable for engineering, angle measurement, architectural design, carpentry, length measurement, ideal gift for craftsmen, architects and designers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B083NVTP83 |
| Best Sellers Rank | #45,373 in Office Products ( See Top 100 in Office Products ) #30 in Protractors |
| Brand | Outus |
| Brand Name | Outus |
| Color | Clear |
| Customer Reviews | 4.4 out of 5 stars 942 Reviews |
| Graduation Range | 30 Centimeters |
| Item Dimensions L x W | 14.17"L x 2.17"W |
| Item Weight | 4.48 ounces |
| Manufacturer | Outus |
| Material | Other |
| Material Type | Other |
| Model | Outus-Angle Finder-d3 |
| Part Number | Outus-Angle Finder-d3 |
| Product Dimensions | 14.17"L x 2.17"W |
| Style | Adjustable |
| Style Name | Adjustable |
| UPC | 738627693441 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Outus
- **Color:** Clear
- **Graduation Range:** 30 Centimeters
- **Material:** Other
- **Style:** Adjustable

## Images

![Angle Protractor Angle Finder Ruler Two Arm Stainless Steel Protractor Woodworking Ruler Measure Tool with 0-180 Degrees(30 cm/ 11.8 Inch) - Image 1](https://m.media-amazon.com/images/I/61xUjtLz3+L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great LITTLE tool at a good price
*by O***9 on November 11, 2023*

I read all the 1- and 2-star reviews...I'm not sure what the heck those folks were expecting for $11. Yeah, the edges were a bit sharp...I spent two minutes running a fingernail board over the edges, now they're smooth as butter. Yeah, the knurled cap-nut was a bit tight as shipped, but no real problem. Yes, the cap-nut didn't tighten down enough to hold the swing-arm securely (the threaded hole is a bit too short), so I added a tiny washer on top of the compression washer, and now it holds tight. They said the tool they received is inaccurate...but I found it to be within half a degree (or less?) at 25°, 30°, 45°, and 90°. The small size of this protractor doesn't really permit measurement to tighter tolerances than that. One guy said the angle was measured wrong, "...The middle of the ruler and not the edge is where the angle would be accurate." Say WHAT?! As long as the edge of the swing arm is parallel to an imaginary line down the middle (which it IS), then the angle is always going to be the same, whether measured at the middle or EITHER edge of the swing-arm. A couple of folks rated the protractor low because it wouldn't measure inside angles. [sigh] If you want to measure inside angles, buy the right tool. You can get a plastic goniometer for under $8. You can buy a digital angle finder for as little as $17 (although I'd likely shell out twice that and get the Klein). If you want to stay on the cheap, and you already have this little protractor, use a sliding T-bevel (or even just fold a piece of paper) to match the inside angle, then use the protractor to measure the outside angle. But don't criticize a tool because it won't do something it was never intended to do. Look, I'm an amateur woodworker. I buy and fettle old chisels and planes. I use a honing guide to set the initial bevel (25°) for the cutting edges on the chisels and plane irons. We aren't looking for crazy precision, we just want to be consistent and close enough. This little tool is exactly what we need.

### ⭐⭐⭐⭐⭐ Accurate
*by A***Y on January 28, 2026*

Works perfectly and accurate

### ⭐⭐⭐⭐ Great Idea - But With A Couple Important Caveats
*by J***. on January 25, 2025*

This stainless steel tool arrived in perfect condition. Rust should never be an issue. It's well-made, sturdy and, with care, should last a very long time. The variable-tension hinge is just snug enough to hold tight, while still being easy to adjust. My wife makes custom bike and e-bike frame bags for sale online. In order to perfectly fit the buyer's bike frame, she requires very accurate bike frame angle measurements before cutting the material for the bag. I got her this protractor for Christmas, assuming it would be much easier to use than her little 6" plastic half-circle one. Well, the long arm is great for much-needed longer lines on her paper templates. What's not so great are the angle graduation marks. They are quite hard to see, being super-tiny, thin and light-colored. We find ourselves having to sometimes verify the setting with a magnifying glass, unless we have very bright light. We both have 72-year-old eyes, mind you. If the protractor circle's diameter were just an inch or two bigger, the lines would be wider-spaced and far easier to read (See Photo). Besides those things, the protractor is about 1 degree off. I set it for 90°, and then confirmed the angle using a perfect 90° square. This protractor was actually indicating about 91°, not 90°. The good news is that we now know how far off the intended mark we need to set it, to get the angle we desire. Perhaps the +/- tolerance of just 1° is to be expected in such a low-price entry-type tool. I've found we can live with it, since we only use it occasionally. But if you'll be using your protractor a lot, please keep in mind these issues I've encountered.

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-29*