Universal 21mm Removable Magnetizer Ring Magnetic Steel Screwdriver Bit

Universal 21mm Removable Magnetizer Ring Magnetic Steel Screwdriver Bit Selling point: 100% new high quality. Made of steel good workmanship high precision. Anti-impact and hard great wear resistant. Use it to magnetize the 6.35mm batch head. Strong magnetism the screw from falling off. Product: Material: Metal Hardness: HRC60 Size: 21 * 12 mm Magnetism: Strong magnetism Explosion-proof: No Insulation: No Screw head: General purpose System: Metric Note: 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! Include: 1 X Magnetizer Ring