Industrial 3310721 Power-Impact Wheel Socket 6pt. 21mm

SONIC 3310721 Power-Impact Wheel Socket, 1/2" drive, 6-point, 21 mm. This dedicated wheel socket is designed for use with impact wrenches to remove and install 21 mm lug nuts on most passenger vehicles and light trucks. The 1/2" drive interface matches common impact tools, and the six-point geometry provides secure engagement with hex lug nuts to minimize rounding under high torque. Identified by model number 3310721, this socket is part of Sonic Tools' Power-Impact wheel-socket lineup and is built to withstand the repeated torque cycles typical of wheel maintenance tasks. Use it when changing tires or servicing wheels, where a reliable, impact-rated lug-nut socket is required. The 21 mm sizing and 1/2" drive make it a standard choice for shops and DIYers performing routine wheel maintenance on a wide range of vehicles.