[1]: ) FEATURES: Shank Size: Hex 1/4-Inch; Screwdriver Total Length: 100mm/ 3.94-inch; Bit Type: PH0, PH1, PH2,PH3, SL3, SL4, SL5, SL6; Screwdriver Handle Size: 122 x 32mm/ 4.8' x 1.26'(L* Max.D).