Catalogue number: USBBH1S10 Features: ● Comes with a bolster that can be used with a wrench. ● The shaft is press-in type, and is eight times more durable than the integrated type. ● Double-ended bits and stepped bits can be used. ● Ideal for tightening and loosening with the Electric Drill Ball 220 USB. Applications: ● For loosening or tightening tightly tightened screws. ● For automobile and motorcycle maintenance and machine maintenance Specifications: ● Drive size (mm): 6.35 ● Overall length (mm): 69 ● External diameter (mm): 13 ● Hexagonal bolster across flats: 10 mm ● Bit insertion across flats 1/4 (6.35 mm) Material/Finish: ● Bit material
