SK PROFESSIONAL TOOLS 41420 1/2 in Drive Triple Square Socket Metric 10 mm Tip,
Socket Bit, Insert Length 2 21/32 in, Replaceable Insert Yes, Metric, Tip Size 10 mm, Tip Style 12-Point, Overall Length 5 1/4 in, Drive Size 1/2 in, Socket Depth Standard, For Screw Type Triple Square, Alloy Steel