Screwdriver Set 3PCS Universal 21mm Removable Magnetizer Ring Steel Screwdriver Bit

Screw head: purpose Hardness: HRC60 Use it to magnetize the 6.35mm batch head. 3 X Magnetizer Ring Explosion-proof: No Material: Metal System: Metric Size: 21 * 12 mm Magnetism: Strong magnetism -impact and hard great wear . 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! Insulation: No new high quality. Strong magnetism the screw from falling off. Made of steel good workmanship high precision. 12 Screwdriver Set Nut Driver Bits 3/8 Metric Screwdriver Set Electrician Screwdriver Bits Push & Screwdriver Set