Models Polychord Puller (Prototype V1) 6 24 0 Clip-on Hex Spacers 5 78 0 Custom Aluminum Hub (1/4" ID) 2 42 0 PT (Pneumatic Tubing) Clip V2 0 22 0 Bearing Cover (for 1.125" OD pulley with flange) 1 23 0