Universal 21mm Removable Magnetizer Ring Magnetic Steel Screwdriver Bit Fragarn

Dear buyer: Due to lighting effects display brightness manual measurements etc. the color and size between the photo and the actual item may vary slightly. Sincerely that you can understand! Thank you! Size: 21 * 12 mm Use it to magnetize the 6.35mm batch head. 1 X Magnetizer Ring Hardness: HRC60 Screw head: General purpose Magnetism: Strong magnetism Insulation: No Strong magnetism the screw from falling off. Anti-impact and hard great wear resistant. Material: Metal Explosion-proof: No 100% new high quality. Made of steel good workmanship high precision.