20/50PCS 18x1 Thin Round Search Magnet N35 Permanent Neodymium Magnets Strong 18*1 Disc Rare Earth Magnet 18x1mm

Shape: Round Tolerance:±0.8mm Size: 18mm x 1mm Certification:RoHS passed Grade:N35 Plating: Nickel + Copper + Nickel Triple Layer Plated Max Operating together. Temperature: 80C/176F Notice: 1. The large neodymium magnets are extremely strong, and must be handled with care to avoid personal injury and damage to the magnets. Fingers and other body parts can get severely pinched between two attracting magnets. It is easy broken,please be careful. 2. Never place neodymium magnets near electronics 3. Neodymium magnets are brittle, and can peel, crack or shatter if allowed to slam.syi