
A socket (10) for torquing nuts and bolt heads includes adjustable jaws (18) biased in an outward radial direction by associated helical springs (22) whose inner ends are engaged with a seat preferably embodied by a ball (20). A support member (16) includes slideways (30) that mount slides (24) of the jaws (18) for inward and outward adjusting movement, and each jaw (18) has an inwardly facing engagement surface inclined with a slight inward inclination in an axial direction away from the slide ...











