SK Hand Tool 45189 3/8-Inch Drive Locking Extension, 10-1/2-Inch, Chrome

SuperKrome finish provides long life and maximum corrosion resistance. 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 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.