2PC Apex Tool Group Apex Tool Group 111211 Master Mechanic 3/8 Inch Drive 16Mm 12 Point Socket

2PC Apex Tool Group Apex Tool Group 111211 Master Mechanic 3/8 Inch Drive 16Mm 12 Point Socket Master mechanic 3/8 inches drive 16 mm 12 point socket chrome vanadium steel surface drive design contacts the flat surfaces on fastener instead of corners reduces slippage reduces rounding of fastener & will still grab on slightly rounded fasteners.