1/2 in Drive Triple Square Socket Metric 12 mm Tip, 5 3/4 in L, Sk Professional Tools, Mfr#: 41422

Socket Bit, Insert Length 3 5/32 in, Replaceable Insert Yes, Metric, Tip Size 12 mm, Tip Style 12-Point, Overall Length 5 3/4 in, Drive Size 1/2 in, Socket Depth Standard, For Screw Type Triple Square, Alloy Steel