EA781GM-10 Strong rubber magnet with bolt, set of 2 magnets. Sold by: ESCO Seller: Yui Sangyo Adhesive Force: 9.5kgf Size (mm): φ40 x 5 Screw Size: M6 x 20 Material: Rubber: TPE, Nut & Washer: Steel, Magnet: Neodymium magnet Load Capacity: 1.2kg Quantity: 2 pieces Accessories: Nut, Washer, Bolt Color: Black Weight: 40g Application: For temporary fixing on heavy machinery, cars, and iron walls where scratches are a concern due to the rubber cover. Can be used with grommets on blue sheets, fire-resistant sheets, etc., and can be protected if the surface is magnetic. The magnetic force is strong, making it difficult to scratch or slip, and the bolt allows for use in various locations. Washers are included, but if they do not fit your application, please prepare your own.