Hex Drive Bit Holder, Magnetic, 1 4 in Drive, 3 in Length no checkout General purpose threadlocker that provides General purpose threadlocker that provides a medium strength bond Seals and secures metal nuts and bolts to prevent loosening due to shock and vibration Works on all metals compact design fits well under welding helmets and with safety glasses Mask drops down for convenient storage around the neck or locks down for custom fit Adjustable head cradle and curved neck buckles for extra comfort leading to better torque transfer Proprietary steel and heat treat process yields greater strength and longer bit life Cutting edge machining process results in tighter tolerances and superior product consistency Provide a better and more consistent fit to fasteners