Wright Tool 8812 1-1/2-Inch with 1-Inch Drive 8 Point Double Square Impact Railroad Sockets Size 1-1/2-Inch weight 2.62 Nominal size 1-1/2-Inch shape III Length 2 11/16-Inch diameter socket 2 3/4-Inch Diameter drive 2 5/16-Inch broach depth 1 23/64-Inch Ret ring 6584