3/8" DR 4 PC 2 Way Extension Bar Set

?ò Two position extensions provide regular or wobble drive ?ò Place socket in first position for wobble drive; allows improved access to hard-to-reach areas ?ò Push socket down to second position to "lock" it solidly in place; allows maximum torque ?ò Each extension replaces two others but doesn't cost twice as much ?ò Highest quality Chrome Vanadium steel for professional use