Powerbuilt 647060 Metric Extended Length Hex Bit Tool Set, 4-Piece Made to be the most reliable tools in the market today Tool solutions for most all situations Built to exceed tool standards For brake caliper and other hex cap fasteners 6-Inch length for added reach Includes bit sizes: 6mm, 7mm, 8mm and 10mm Premium S2 alloy steel bit and CRV socket Meets or exceeds ANSI standards