Conveyor rollers are 1,5″ wide and can be stacked to make conveyor widths of 1.5″, 3.0″, 4.5″, 6.0″, 7.5″, and 9″ wide conveyors. Rollers can be used for drive and idle ends. Rollers feature a 6MM centered V belt driver for both drive and belt tracking. This V belt aligns with the T-slot in the extrusion so that the belting material is guided th entire length of the conveyor, Setscrews are included to secure to the axles. Drive and idle axles are not included and must be ordered separately.