Mayhew's Heavy Duty TWISTED Hex Key Sets, Nos. 45052 and 45053, have longer shafts for increased leverage and are twisted for more torque. Features:
- Made from S2 tool steel.
- Manganese-phosphate contact areas resist wear.
- Color coated.
- SAE or metric.
- Standard pack is 12 pieces; master pack is 48 pieces.
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