uxcell 1/4-inch Hex Shank Phillips Spanner Flathead Screwdriver Bit Set 17in1 Main Material: Chrome Vanadium Steel S2; Package Content: 17in1 x Screwdriver Bits Product Name: Screwdriver Bits; Weight: 128g Main Color: Blue, Silver Tone; Drive Type: Hex, Socket, Torx, Slotted, Phillips, Spanner Head Hex Shank Size: 6.3mm / 1/4" Hex Socket Bit Size: 60 x 10mm/ 2.4" x 0.4"(L*D)