OTC's internal pulling attachment removes bearing cups, oil seals, bushings, and other parts from blind holes quickly and easily Jaw spread is 3 inches to 9 inches; jaw reach is 5-7/8 inches Tapped hole in adapter has a 1-1/4"-7 thread Tapped hole in cross block has 1"-14 threads Use with No. 1071 Hydraulic Push-Puller