- Fully forged from chrome vanadium steel to ISO 3318 & DIN 3113 standards of accuracy & performance
- Nickel chrome plating protects against corrosion
- Maxi Drive open ended jaw shape maintains grip on fastener
- Bi-hex 12 pt ring with precisely broached Maxi Drive profile to increase the grip by up to 4 times
- Both the open ended head and the ring are angled at 15? for optimum accessibility