Removable Magnetizer Magnetic Screwdriver Bits 21mm ELd Sanding Secure Screw Holder with High Precision Magnetic Ring Features: * new and high quality. *Made of steel, good workmanship, high precision. *The Screwdriver Bits Magnetic Ring can accurately lock screws, reduce abrasion to the the screw and the screwdriver head, extend service life span. *Use it to magnetize the 6.35mm batch head. * resistant and hard, good wear resistance. *Strong magnetism prevents the screws from falling out. Specifications: *Material: Metal *Optional Color: Gold/Blue/Red(As Pictures Show) *Hardness: HRC60 *Size: 21x15mm/0.83x0.59inch.(Approx.) *Magnetism: Strong magnetism *Explosion-proof: No *Insulation: No *Screw head: General purpose *: Metric *Quantity: 1/3pcs Package Contents: 1/3pcs*Screwdriver Magnetic Ring Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x005f_x000D_ _x005f_x000D_