High quality Chrome Vanadium steel satin finished shafts with shot blasted and magnetized tips Soft grip handles maximize power transfer from hand to fixing Jis screwdrivers for Japanese industrial Standard screws Using the correct JIS screwdrivers will prevent cam out, therefore preventing the damage to JIS fixings that Philips screwdrivers can cause. Contents: #2 x 38, #1 x 75, #2 x 100, #3 x 150mm, Weight: 0.9479877266 Pounds, Manufacturer: Sealey