Ideal 2-jaw slide hammer puller head for jobs in very close quarters Perfect for removal of small-bore bushings, bearings, oil seals, and more Internal pulling attachment has a jaw spread of 1/2 inch to 1-3/8 inch; spread adjustment is made by turning the slide hammer handle High-grade materials ensure quality performance over the lifetime of the tool Head assembly only for the No. 1173 Slide Hammer Puller