Benchmade Knifesmith Multi-Bit DriverTackle daily maintenance tasks with the Benchmade Knifesmith Multi Bit Driver. The ergonomic driver handle was specifically designed for in hand comfort. Featuring 12 precision bit tips, you'll have everything you need to service your Benchmade and complete other tasks at home or on the go. Specifications Handle Length: 4. 25'' 10. 80cm Handle Width: 0. 95'' 2. 41cm Shaft Length: 1. 85'' 4. 69cm Total Length: 6. 10'' 15. 49cm Bit Length: 1. 10'' 2.