The Stanley 85-721 3 Piece 3/8-Inch Drive 6-Point Professional Grade Spark Plug Socket Set features Max-Drive design, a unique radius corner design which provides 15% more torque, making it easy to tighten fasteners and simplifies the turning of rounded corners. Helps reduce fastener wear without contact on outer 5% of fastener, so fasteners last longer. Helps reduce slippage on frozen or rusted fasteners.
- Stanley Sockets feature our Max-Drive design, a unique radius corner design which provides 15-Percent more torque, making it easy to tighten fasteners and simplifies the turning of rounded corners
- Helps reduce fastener wear without contact on outer 5-Percent of fastener, so fasteners last longer
- Helps reduce slippage on frozen or rusted fasteners
- Limited Lifetime Warranty
- Stanley Sockets feature our Max-Drive design, a unique radius corner design which provides 15-Percent more torque, making it easy to tighten fasteners and simplifies the turning of rounded corners
- Helps reduce fastener wear without contact on outer 5-Percent of fastener, so fasteners last longer
- Helps reduce slippage on frozen or rusted fasteners
- Limited Lifetime Warranty