Easy-to-clean fully polished keeps tools looking great. Headlock® box-ends spread turning force throughout entire head of nut or bolt won't round off corners. Hot-forged heat treated to exceed ANSI specifications for strength and tolerance. (USA) Forged from tough alloy steel heat treated oil-quenched and tempered for a uniform hardness and maximum strength. Nickel-chrome plated to resist rust and corrosion and to simplify cleaning. Standard Combination: 1/4" 5/16" 11/32" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" 13/16" 7/8" 15/16" 1" 1-1/16" 1-1/8"; Combination Ignition: 5/32" 3/16" 13/64" 7/32" 15/64" 1/4" 9/32" 5/16" 3/8" 7/16".
- Easy-to-clean fully polished keeps tools looking great
- Box-ends spread turning force throughout entire head of nut or bolt
- Won't round off corners
- Hot-forged heat treated for strength and tolerance
- Nickel-chrome plated resists rust and makes cleaning easier