GearWrench 80817D 1/2" Drive 12 Point 20mm Deep Metric Socket Double Diaphragm a troublesome battery on one

a troublesome battery on one channel does not create problems for the other channels

Designed to meet ASTM D120 standards

best-in-class 500 in

Arm Spread (Minimum): 3

GearWrench 80817D 1/2" Drive 12 Point 20mm Deep Metric Socket Double Diaphragm a troublesome battery on one1 2" Drive 12 Point 20mm Deep Metric Socket Features Off corner loading design reduces fastener rounding Chamfered opening quickly guides fasteners into the socket The serration depth inside the socket is as deep as the fastener holds it in the correct position Hard stamped size markings Double line (SAE) and knurled (metric) ring help easily identify standard and metric sockets Bright, full polish chrome finish easily wipes clean and resists