5 steps: 3/8" ; 7/16" ; 1/2" ; 5/8" ; 13/16" Designed for screw driving parts with an internal hexagon. High-quality steel.
Manufacturer: BDS technic | Nozzle size: 3/8" | Nozzle size: 7/16" | Nozzle size: 1/2" | Nozzle size: 5/8" | Nozzle size: 13/16" | Screwdriver head type: HEX | Type of enclosure: 1/2 external