Socket Extension, 3/8" Drive Size

The Proto J5259 3/8" Drive Socket Extension is the perfect tool for getting into tight spaces. It has a 1 3/4 in. overall length and a female square drive size of 3/8". With a 4-point input and output, this locking extension will fit securely into your sockets. The extension has a heat treated chrome finish to help prevent corrosion and rusting. Its overall length measures 1 3/4 in., while its drive size is female square at 3/8". The Proto J5259 Locking Extension provides the best way to get into hard to reach places.