uxcell 6-inch Long 1/4-inch Shank 1/4-inch Hex Nut Driver Setter Bit 3pcs Main Material: Metal; Package Content: 3 x Hex Driver Bit Product Name: Hex Driver Bit; Weight: 133g Main Color: Gray; Overall Size: 150 x 10mm/6" x 0.4"(L*D) Hex Shank Width: 6.35mm/1/4" Hex Head Size: 6.35mm/1/4"