Designed to fit inside the axle 1.062 (1 1/16") tube such as the PMP, Bailey and XXX rear axles. The mini bleeder comes with a reducer for the right rear wheel. The reducer is a brass set screw with a .010 hole drilled through the center, to reduce the flow of air during a long yellow, or closed red. It will bleed off to the preset setting. The reducer screws into the plastic wheel insert, no tap nesessary. Also included is a bleeder extraction tool to help remove the bleeder assembly from the rear axle. Twice the accuracy of a regular bleeder.