SK PROFESSIONAL TOOLS 41430 1/2 in Drive Hex Socket Bit Metric 10 mm Tip, 4 1/4
Socket Bit, Insert Length 1 51/64 in, Replaceable Insert Yes, Metric, Tip Size 10 mm, Tip Style Hex, Overall Length 4 1/4 in, Drive Size 1/2 in, Socket Depth Standard, For Screw Type Hex, Alloy Steel