Universal Removable Magnetizer Ring Magnetic Steel For 6.35mm Screwdriver BitsFeatures:Made of S2 alloy steel, it is well-made and has high precision.Impact and hard, good wear resistance.Use it to magnetize the 6.35 mm bit.Strong magnetism prevents the screws from falling out.Use magnetic on the double-headed 6.35mm batch.Product Description:Material: S2 alloy steelHardness: HRC60Size: 23x15x15 mmMagnetic:Explosion-proof: noInsulation: noScrew head: universalSystem: MetricNote: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 magnetized ring