Professional quality tool designed to precisely and accurately install 1` 1-1/8` 1-1/4` and 1.5` headsets as well as most press-fit bottom brackets. Features Include:. Removeable 13` ergonomic handles. Precision roller thrust bearing for smooth low-effort pressing. Quick release lower press module for fast tool positioning and removal. Extensive working range from 60mm to 320mm for ultimate versatility. Two Included Stepped Cup Bushings are sized to fit most 1” and 1-1/8` standard headset cups. Two 22mm ID Shim Adapters ensure precision alignment of any brand-specific cup bushings designed with 22mm inside diameter