Uniquely designed plastic assembly constructively supports the transfer of the motor rotary motion to the orbital motion of the backup pad on Orbital Sanders.
Used to attach a 1 in ID vacuum hose to a 2 in ID vacuum hose. Has a 1 in friction fit barb that pushes into the ID of the 1 in. vacuum hose and has a 2 in friction fit barb that pushes into the ID of the 2 in vacuum hose.