3/8"反牙套筒工具組9PCS（螺旋式）

Impact Sockets Set (3/8" Drive)
1‧Quickly and easily remove damaged or rounded nuts and bolts.
　 Simply place socket on fastener and turn with 3/8" drive handle or
　 impact gun.
　 Grip on fastener tightens as more torque is applied. No hammering
　 required to install socket over fastener. Use on fasteners up to 3/4"
　 (19mm).
2‧ All sockets are made of AISI4340 with HRC 52-55 hardness.
3‧ Size: 10mm, 11mm, 12mm,13mm, 14mm, 15mm, 16mm (5/8"),
4　 17mm, 19mm (3/4").
5‧ Shallow twist: 31.8mm.
6‧ 8mm straight rod.