Extension, Flextension, 1/2 Inch Dr, 5/8 Inch Size, JHWISSXT320

Williams Flextension are used extensively in engine and heavy equipment manufacturing, assembly and repair. They increase productivity by featuring an integrated non-removable design of the drive extension and socket to allow for reliable, continuous work without concern for the socket disconnecting from the extension as could happen with hand-tool type ball retained sockets.