---
product_id: 276430040
title: "Johnson Level & Tool 1904-0450 4.5\" Johnny Square Professional Easy-Read Finish Square"
brand: "johnson"
price: "£23.05"
currency: GBP
in_stock: true
reviews_count: 5
category: "Johnson"
url: https://www.desertcart.co.uk/products/276430040-johnson-level-and-tool-1904-0450-4-5-johnny-square
store_origin: GB
region: United Kingdom
---

# 4.5" precision size CNC-machined aluminum durability Glare-resistant EZ-Read finish Johnson Level & Tool 1904-0450 4.5" Johnny Square Professional Easy-Read Finish Square

**Brand:** johnson
**Price:** £23.05
**Availability:** ✅ In Stock

## Summary

> 📐 Nail every angle with the pro’s choice finish square!

## Quick Answers

- **What is this?** Johnson Level & Tool 1904-0450 4.5" Johnny Square Professional Easy-Read Finish Square by johnson
- **How much does it cost?** £23.05 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/276430040-johnson-level-and-tool-1904-0450-4-5-johnny-square)

## Best For

- johnson enthusiasts

## Why This Product

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

## Key Features

- • **Read Without the Glare:** EZ-Read anodized finish with laser-etched markings for quick, error-free measurements.
- • **Precision in Every Angle:** 4.5-inch compact size fits perfectly in tight spaces for flawless finish work.
- • **Notes That Stick With You:** Erasable back surface lets you jot down finish notes—because details matter.
- • **Built to Last, Built for Pros:** CNC-machined extruded aluminum ensures unmatched durability on any jobsite.
- • **Versatility at Your Fingertips:** Continuous scribing notches and 2x4 board markings streamline your cutting and measuring tasks.

## Overview

The Johnson Level & Tool 1904-0450 Johnny Square is a 4.5-inch professional finish square crafted from durable extruded aluminum with CNC machining. Featuring a glare-resistant EZ-Read anodized finish and laser-etched graduations, it offers superior visibility and precision. Its continuous scribing notches and 2x4 board markings make it versatile for finish carpentry and angle measurements. Lightweight and compact, it includes an erasable back for notes and is backed by Johnson’s limited lifetime warranty, making it a must-have for builders and contractors.

## Description

Johnson Level & Tool 1904-0450 Johnny Square Professional Easy-Read Finish Square, 4.5", Black, 1 Square

Review: Super handy size of this square makes it a must have around the wood shop. Love the white on black easy-read markings. The price is right and it seems to be a quality tool. Was going to pay the price for one of those fancy smaller squares, but glad I didn't. For what I would have paid, I could have three of these. Will definitely get another one to have as a spare.
Review: Great for the price, and surprisingly fast delivery to the UK.

## Features

- SQUARE LAYOUT TOOL: Made of extruded aluminum; this triangle carpenter square is CNC machined for durability This laser-etched square comes with Johnson's best-in-class limited lifetime warranty as it can resist any worksite damage
- EZ-READ FINISH: The glare-resistant EZ-Read anodizing method used for finishing this 4 1/2" finish square allows the EZ Read laser etched graduations and numbers to stand out and makes them highly visible
- APPLICATION RANGE: The builders and contractor appreciate the versatility of this measuring tool This square is great for finishing construction; establishing saw blade angles; and more in small spaces
- CONTINUOUS SCRIBING NOTCHES: The rafter square has continuous scribing notches for ripping lumber from 1-1/2" to 3-1/2"; as well as convenient markings that measure 2×4 board dimensions of 1-1/2" and 3-1/2"
- PRODUCT DESCRIPTION: This black Johnny Square measures 0 75 × 6 25 × 3 25 inches and has an erasable space on the back to write finish notes The square has a protective anodized coating that is low-glare

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08B6FTF1F |
| ASIN  | B08B6FTF1F |
| Best Sellers Rank | #33,936 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #41 in Carpentry Squares |
| Brand Name | Johnson |
| Color | black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,080) |
| Customer reviews | 4.6 4.6 out of 5 stars (1,080) |
| Date First Available  | 4 November 2020 |
| Graduation Range | 1/8 Inches |
| Included Components | Square |
| Item Dimensions L x W | 15.9L x 1.9W centimeters |
| Item Type Name | Square |
| Item Weight | 0.1 Pounds |
| Item model number  | 1904-0450 |
| Manufacturer | Johnson Level & Tool |
| Manufacturer  | Johnson Level & Tool |
| Material Type | Aluminum |
| Model | 1904-0450 |
| Part Number | 19040450 |
| Product Dimensions  | 1.91 x 15.88 x 8.26 cm; 45.36 g |
| Style Name | 1904-0450 |
| UPC | 049448904044 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Johnson
- **Colour:** black
- **Graduation range:** 1/8 Inches
- **Material:** Aluminum
- **Style:** 1904-0450

## Images

![Johnson Level & Tool 1904-0450 4.5" Johnny Square Professional Easy-Read Finish Square - Image 1](https://m.media-amazon.com/images/I/61TMFxAq4-L.jpg)

## Available Options

This product comes in different **Style Name** options.

## Questions & Answers

**Q: is it made in the USA ?**
A: Mine was made in USA (early 2022).

**Q: are the markings etched into the metal, or painted on?**
A: My square has etched markings.

**Q: Is this a 7 inch square**
A: yes, the one measures up to 7"

**Q: Sistema de medición está en  métrico ? Gracias**
A: Si

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by H***W on 2 December 2024*

Super handy size of this square makes it a must have around the wood shop. Love the white on black easy-read markings. The price is right and it seems to be a quality tool. Was going to pay the price for one of those fancy smaller squares, but glad I didn't. For what I would have paid, I could have three of these. Will definitely get another one to have as a spare.

### ⭐⭐⭐⭐⭐ Review
*by D***E on 26 March 2026*

Great for the price, and surprisingly fast delivery to the UK.

### ⭐⭐⭐⭐⭐ Review
*by A***I on 16 January 2026*

Very good. I am just afraid the markings fade after a while being used.

## Frequently Bought Together

- Johnson Level & Tool 1904-0450 Johnny Square Professional Easy-Read Finish Square, 4.5", Black, 1 Square
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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-19*