• 3 piece set is made in the U.S.A., featuring SK's high polish SuperKrome® finish, which protects the tools from the harsh working environments found in today's workplace. • SK's locking extensions feature a SureGrip® lock which holds the socket on the extension. • This prevents the socket from remaining stuck to the fastener. • Features 4 recess detents in socket drive square for quick attachment. • Features 4 recess detents in socket drive square for quick attachment • SureGrip® lock holds the socket on the extension • 3/8" Drive Locking Extensions - 7.5", 13.5", 19.5"
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