RS PRO 3/8 in Square Extension, 75 mm Overall

Constructed form Chrome Vanadium Steel combining excellent strength properties with anti-rust and corrosion protection and the spring loaded ball bearing tightly secures the socket removing any wobble or slipping when in use.

Suitable for use with ratchet or breaker bars and featuring robust detent notches to tightly hole the extension bar in place plus a knurled grip for applying extra torque or quickly removing loose nuts.

912-5423: 1/4 in drive x 100 mm

912-5426: 3/8 in drive x 75 mm

912-5420: 1/2 in drive x 75 mm

912-5439: 1/2 in drive x 250 mm

With a choice of over 65,000 products – all of which are rigorously tested against demanding industry standards before they are given the RS PRO seal of approval.

Trusted by engineers the world over, we want you to be confident that you’re receiving the exceptional quality, reliability and the best value for money.