Screwdriver set in a plastic case, includes a ratchet arm and screw heads.
- Thread type: BSPT
- Thread size: 3/8", 1/2", 3/4", 1", 1 1/4"
- Thread head material: special steel
- Ratchet material: aluminum alloy
- Adapter material: aluminum
- Hardness of the screw head: 58-62 HRC
- Ratchet hardness: 45-50 HRC