Set of 3 specially innovated Press Block Stacks. Designed to provide an efficient and effective quick solution to assist in the pressing & removal of wheel bearings & housings; working in conjunction with the Hydraulic Press. The unlevel design of wheel bearing housings/arms makes it extremely difficult in pressing new bearings in. Pressing them in level is almost impossible. The WELZH innovative design with precision cut outs allows for superior pressing in almost all wheel bearings housing from all manufacturers.