Wide jaw opening up to 2-3/4” (7 cm). Comes with round and square soft jaw inserts. Great for repair work on flush valves. Will not scratch plated finishes. Works on Delta® and other dome nuts. Will not crush threaded tail pieces. Automatically opens by the spring loaded mechanism. Opening range of 1" - 2-3/4" (2.5 cm - 7 cm) and a length of 10-1/2" (26.67 cm). Grooved vinyl jaws prevent slipping which provides a positive grip Great for repair on flush valves Works on Delta and other dome nuts Will not crush threaded tail pieces Will not scratch plated surfaces Drop forged, heat treated and rustproof handle Automatically opens by the spring loaded mechanism; spring loaded handle allows for use with one hand Opening range of 1" - 2-3/4" (2.5 cm - 7 cm) and a length of 10-1/2" (26.67 cm)