The Proto B332961 Open End Crowfoot Wrench features an Anti-Slip Design (ASD) with patented locking grooves that grip the fastener and prevent slipping during turning, reducing the risk of rounding fastener heads. Ideal for hard-to-reach and restricted-access situations where a standard wrench or ratchet cannot fit.
Built with a 3/8" square drive and a locking hole that keeps the crowfoot securely engaged on the extension during use, this SAE 7/8" wrench minimizes downtime caused by detachment in awkward or confined spaces.