ZDYWY 10 Pieces 18 x 3mm with 4mm Countersunk Hole Permanent Disc Rare Earth Fastener Magnets Refrigerator Neodymium Magnets - 0.7 inch D x 0.12 inch H with 0.16 inch D Screw Hole

• Size: D 18mm x H 3mm with D 4mm Countersunk Hole/ 0.7 inch D x 0.12 inch H with 0.16 inch D Screw Hole, 10 pieces per pack The countersunk hole magnetic discs is made of NdFeB Material, and coated with three layers of nickel-copper-nickel, which provides a smooth finish and reduces corrosion that greatly increases the endurance of the Magnets Ideal for multipurpose applications, especially DIY projects like hanging stuff on wooden frame, at the kitchen cabinet, workshop, school classroom, or for magnet things on refrigerator, arts and craft, etc. Easily removable mini magnets. No marks or stains while removing from your board, fridge or washing machine etc.