The Swage 65 Ton Press Assembly is a portable construction and maintenance tool designed to Swage bus accessories onto a bus pipe or cable. The power unit works with all sizes of head assemblies (1", 1.5", 2", 2.75" O.D., 2.5", 3", 3.5" and 4"). The catalog number provided includes everything needed for each pipe size. For more sizes, order extra press heads and dies from the head and dies section. The power unit is compatible with all press head sizes.