Williams SAE 7 16" Supercombo Wrench Black Industrial Finish 12 Point JHW1214BSC 140.65 PN: 7402 RV PN: 7402 The included swivel casters attach with ease to the stand base wrenching forces are placed on the flat surfaces behind the points Meets or exceeds aerospace specification AS 954 for 12 point fasteners (as defined by AS 870) to provide accurate torque tension relationship for precision application May be used on all common hex (6 point) fasteners with considerable advantage over conventional box end wrenches to increase both hand tool flexibility and economy Box and open end openings are identical 12 Point Wrench: 7 16″ Box End Offset: 15° OA Length: 7 1 4″″ SUPERCOMBO open end has specially designed grooves that direct wrench force away from fastener corners SUPERTORQUE box opening design allows application of higher torque without rounding or deforming hex fastener points