Model: 20365 Chromium vanadium stainless steel construction Can be used with most screw guns and powered screw drivers that accept ¼ shank 14pcs 6.35x25mm CrV bits sizes: SL5, SL6, SL7, PH1, PH2, PH3, PZ1, PZ2, PZ3, T10, T15, T20, T25, and T30 1pc 1/4 inchx60mm screwdriver bit holder,CrV+Stainless steel Magnetized bit holder helps keeping bits secure inside bit holder Packing: plastic box Chromium vanadium stainless steel construction Can be used with most screw guns and powered screw drivers that accept ¼ shank 14pcs 6.35x25mm CrV bits sizes: SL5, SL6, SL7, PH1, PH2, PH3, PZ1, PZ2, PZ3, T10, T15, T20, T25, and T30 Kit includes 1/4inch shank 6.35x60mm screwdriver bit holder Magnetized bit holder helps keeping bits secure inside bit holder Bits and bit holder are packaged in convenient plastic case Brand: Tolsen Model: 20365 Made of S2 tool steel Satin finished bits Bits sizes: SL5, SL6, SL7, PH1, PH2, PH3, PZ1, PZ2, PZ3, T10, T15, T20, T25, and T30 Bit holder length: 60mm Bits size: 6.35x25mm Case made of plastic Case size: 3-1/4x2-3/16x3/4in or 80x55x19mm Weight: 117g or 4oz 15pcs screwdriver bit set with magnetic bit holder Retail packaging