Feature

●【DURABLE】The block magnets are made of Grade 8 hard ferrite.Ceramic magnet is an economical choice for magnets. It has high demagnetization resistance, corrosion resistance and oxidation resistance. The magnetic force will remain forever.
●【SIZE】30 pieces of ceramic hard ferrite magnets included. Each measures 40mm x 12mm x 5mm(1.57"x0.47"x0.19")
●【POWERFUL】 Grade 8 ceramic magnet material with 3,850 Gaussian internal. Each piece can provide 29 pounds of holding force under ideal conditions.
●【MULTIPURPOSR】These rectangular magnets have industrial strength and are great for home, office, school, arts and crafts, scientific projects and product manufacturing applications.
●【WARNING】these bar magnets is very fragile, it is forbidden to collide with other metal objects (including another magnet), so be careful when you are trying to use them!


Description

Ceramic Magnets 1 3/5" x 1/2" x 1/5" Rectangular Magnets Heavy Duty Blocks Grade 8 Ceramic Rectangular Bar Magnet for Crafts,DIY, Science and Hobbies(30 Pack)