--- product_id: 379444468 title: "Ferrite Blocks Ceramic Magnets 1 7/8\" x 7/8\" x 3/8\" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces" brand: "jmy" price: "HK$224" currency: HKD in_stock: true category: "By Jmy" url: https://www.desertcart.hk/products/379444468-ferrite-blocks-ceramic-magnets-1-7-8-x-7-8 store_origin: HK region: Hong Kong --- # Rust-proof in fresh & salt water 3850 Gauss magnetic strength 29 lbs holding force Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces **Brand:** jmy **Price:** HK$224 **Availability:** ✅ In Stock ## Summary > 🧲 Elevate your projects with magnetic power that sticks—and lasts! ## Quick Answers - **What is this?** Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces by jmy - **How much does it cost?** HK$224 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/379444468-ferrite-blocks-ceramic-magnets-1-7-8-x-7-8) ## Best For - jmy enthusiasts ## Why This Product - Trusted jmy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heavy-Duty Holding Power:** Supports up to 29 lbs—perfect for demanding projects - • **Rust-Resistant Durability:** Built to withstand fresh and saltwater environments without corrosion - • **Powerful Grade 8 Ceramic Magnets:** Unleash 3850 Gauss of magnetic force for serious hold - • **Budget-Friendly Magnetic Solution:** Get premium strength at a fraction of rare earth magnet costs - • **Versatile for Creativity & Science:** Ideal for crafts, STEM projects, and DIY innovations ## Overview These Grade 8 ferrite ceramic magnets deliver a strong 3850 Gauss magnetic field and 29 pounds of holding force, making them ideal for crafts, science experiments, and hobby projects. Their rust-proof design ensures durability in both fresh and saltwater environments, all at an economical price point compared to rare earth magnets. Perfect for professionals and makers seeking reliable, long-lasting magnetic solutions. ## Description desertcart.com: BY JMY Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces : Industrial & Scientific ## Features - 【POWERFUL】 Grade 8 ceramic magnet material with 3,850 Gaussian internal. Each piece can provide 29 pounds of holding force under ideal conditions. - 【ECONOMICAL】This ceramic magnet is an economical choice for magnets. Only a small part of the cost of a rare earth magnet of similar size. - 【DURABLE】They will not rust in any environment. Suitable for fresh water or salt water. Magnetism will always continue normal use. - 【APPLICATION SCOPE】Science education in schools, children's science projects, namely suspended trains, hand-made at home, light work in the backyard or garage, etc. - 【BUY WITH COMPLETE CONFIDENCE】If you are not satisfied with the magnet for any reason, we will provide a 30-day no-guaranteed money-back guarantee. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09H5CRPLY | | Best Sellers Rank | #42,710 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #20 in Industrial Ceramic Magnets | | Brand Name | BY JMY | | Color | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (459) | | Item Dimensions L x W x Thickness | 1.89"L x 0.87"W x 0.39"Th | | Item Thickness | 9.53 Millimeters | | Manufacturer | BY JMY | | Material Type | Ceramic | | Model Number | 000000001 | | Number of Pieces | 12 | | Part Number | 000000001 | | Pull Force | 4 Pounds | | Shape | Rectangular | | UPC | 710955890440 | ## Product Details - **Brand:** BY JMY - **Color:** Black - **Material:** Ceramic - **Product Dimensions:** 1.89"L x 0.87"W x 0.39"Th - **Shape:** Rectangular ## Images ![Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces - Image 1](https://m.media-amazon.com/images/I/71-xC4uT1sL.jpg) ![Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces - Image 2](https://m.media-amazon.com/images/I/71ReAy9d6uS.jpg) ![Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces - Image 3](https://m.media-amazon.com/images/I/51ycApIV1IL.jpg) ![Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces - Image 4](https://m.media-amazon.com/images/I/61mqKX86zmL.jpg) ![Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces - Image 5](https://m.media-amazon.com/images/I/61GqKcFSuZL.jpg) ## Frequently Bought Together - BY JMY Ferrite Blocks Ceramic Magnets 1 7/8" x 7/8" x 3/8" Rectangular Magnets, Grade 8 - for Crafts, Science and Hobbies - 12 Pieces - BNTECHGO 30 AWG Magnet Wire - Enameled Copper Wire - Enameled Magnet Winding Wire - 4 oz - 0.0098" Diameter 1 Spool Coil Red Temperature Rating 155℃ Widely Used for Transformers Inductors - BNTECHGO 28 AWG Magnet Wire - Enameled Copper Wire - Enameled Magnet Winding Wire - 1.0 lb - 0.0122" Diameter 1 Spool Coil Natural Temperature Rating 155℃ Widely Used for Transformers Inductors --- ## 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.hk/products/379444468-ferrite-blocks-ceramic-magnets-1-7-8-x-7-8](https://www.desertcart.hk/products/379444468-ferrite-blocks-ceramic-magnets-1-7-8-x-7-8) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-06-25*