The Proto B940672 is a 4-piece fractional ratcheting wrench adapter set designed to expand the versatility of your existing wrench collection. These adapters convert standard wrenches into ratcheting tools, saving time and effort in tight or repetitive fastening applications.
Built to Proto's professional-grade standards, this fractional set is ideal for mechanics, maintenance technicians, and industrial professionals who need reliable ratcheting action in confined spaces where a full ratchet and socket may not fit.