Blackhawk™ by Proto® Combination Wrench, Measurement System: Imperial, Spline Wrench, 1-5/16 in Wrench Opening, 12 Points, 18 in Overall Length, 15 deg Offset, 1-7/8 in Open End Width, 3/4 in Open End Thickness, 2-45/64 in Box End Width, 9/16 in Box End Thickness, 15 deg Head, ASME B107.100 Specifications Met, Steel, Satin
| Box End Thickness | : | 9/16 in |
| Box End Width | : | 2-45/64 in |
| Head Angle | : | 15 deg |
| Open End Thickness | : | 3/4 in |
| Open End Width | : | 1-7/8 in |
| Wrench Type | : | Spline |
| Measurement System | : | Imperial |
| Wrench Opening | : | 1-5/16 in |
| Number of Points | : | 12 |
| Offset Angle | : | 15 deg |
| Overall Length | : | 18 in |
| Material | : | Steel |
| Finish/Coating | : | Satin |
| Specifications Met | : | ASME B107.100 |