Stanley 85-721 3/8-Inch Drive 6-Point Professional Grade Spark Plug Socket Set, 3-Piece
The Stanley 85-721 3 Piece 3/8-Inch Drive 6-Point Professional Grade Spark Plug Socket Set features our 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.