Mayhew's Heavy Duty TWISTED Hex Key Sets, Nos. 45052 and 45053 (metric), have longer shafts for increased leverage and are twisted for more torque.
- Made from S2 tool steel.
- Manganese-phosphate contact areas resist wear.
- Color coated.
- 1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 1/4", 5/16", 3/8"
Mayhew Tools 45052 Heavy Duty Twisted SAE Hex Key Set - 9-Pc 
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