Technical Data:
3/8 in drive impact extension
Size stamped on tool
Side locking hole
Standard: ASME B107.110-2012

Application:
Use to gain access to fasteners in difficult-to-reach locations
Male square oriented in line with female square for fixed-head torque wrenches
Full chamfer at drive opening for easy engagement where applicable
Drive-end chamfer and four detents for positive engagement

Dimensions:
Overall length: 3 in
Weight: 0.16 lb