--- product_id: 52183842 title: "Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS)" brand: "gremag" price: "FREE" currency: GBP in_stock: false reviews_count: 7 url: https://www.desertcart.co.uk/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular store_origin: GB region: United Kingdom --- # Precise 20x10x2mm dimensions 10,400 Gauss internal strength Ni+Cu+Ni triple-layer coating Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) **Brand:** gremag **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🧲 Elevate your projects with the magnet that means business! ## Quick Answers - **What is this?** Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) by gremag - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular) ## Best For - gremag enthusiasts ## Why This Product - Trusted gremag brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Perfect:** Engineered with tight ±0.1mm tolerances for consistent performance - • **Compact Yet Mighty:** Sleek rectangular design fits anywhere without sacrificing strength - • **Durability Meets Shine:** Triple-layer Ni+Cu+Ni coating resists rust and keeps magnets gleaming - • **Versatile DIY Essential:** Ideal for crafts, fridge notes, hardware hangers, and creative projects - • **Unmatched Magnetic Power:** Holds over 8 lbs per magnet—strongest in its size class ## Overview GREMAG’s 20-piece set of neodymium rectangular magnets delivers industry-leading strength with 10,400 Gauss internal power and over 8 lbs holding capacity each. Triple-layer Ni+Cu+Ni coating ensures long-lasting durability and rust resistance, while precise 20x10x2mm sizing guarantees consistent, reliable use. Perfect for professionals and creatives alike, these magnets transform everyday tasks and DIY projects into powerful statements. ## Description ## Features - WELL COATED: These neodymium bar magnets are Ni+Cu+Ni triple layer coated, which makes them very durable and offers a shining surface.This Ni+Cu+Ni coating also offers ideal rust resistant protection. - SUPER POWERFUL: This is the strongest magnet in its size! Each piece of magnet holds more than 8 lbs' weight. Internal Strength: 10,400 Gauss. Surface Strength: 4,000 Gauss. - USE OCCASION: These bar magnets have enough strength to be used as fridge magnet, sign, note or picture holder, hardware tools hanger, artwork and handcraft DIY material. - MAGNET DIMENSIONS: 20mm x 10mm x 2mm (approx. 0.8" x 0.4" x 0.08"). Tolerances: ±0.1mm x ±0.1mm. - WARNING: These magnets were fragile in somewhat, so be cautious not to collide them fiercely. Cause these are super strong magnet, please keep it away from your kids under 5 years. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | GREMAG | | Brand | GREMAG | | Model Number | NMN5209 | | Package Dimensions | 7.1 x 5.7 x 1.4 cm; 50 g | | Shape | Rectangular | | Material Type | Neodymium | | Number of Items | 1 | | Size | 20PCS | | Manufacturer Part Number | SM-SquareMag--20Pcs | | Item Weight | 50 g | ## Product Details - **Material:** Neodymium - **Brand:** GREMAG - **Shape:** Rectangular - **Number of pieces:** 20 - **Pull force:** 8 Pounds ## Images ![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 1](https://m.media-amazon.com/images/I/61-Xvp8Y0oL.jpg) ![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 2](https://m.media-amazon.com/images/I/61ATgC8qj-L.jpg) ![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 3](https://m.media-amazon.com/images/I/61MCyBFYcFL.jpg) ![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 4](https://m.media-amazon.com/images/I/61lPmYHlaqL.jpg) ![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 5](https://m.media-amazon.com/images/I/51P2D-MsjVL.jpg) ## Questions & Answers **Q: Would these be strong enough to hold a cosplay chestplate together?** A: Probably, might need to stack a few. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect *by M***S on 9 July 2019* Great product ### ⭐⭐⭐ Good strong magnets well packaged. *by A***R on 10 September 2018* Great magnets, just what I needed but let down as item was dispatched on the day it was supposed to be delivered. ### ⭐ Small and not worth buying *by A***P on 5 June 2019* Not worth buying they snap in half --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular](https://www.desertcart.co.uk/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-01*