Affordable Rock Tumbler : 12 Steps (with Pictures)
WEBStep 2: Attach the Orings to the Pulleys and Loose Fit the Pulleys to the Axles. Attach 1 oring to each pulley. Loose fit the pulleys to the axles (you need the 235mm and the 275mm axle in this step) See photo for the rough position of the pulleys. The distance between depends on the barrel you choose.