... Sheaves for split taper bushings: 3V, 5V, 8V d) Sheaves for 3L, 4L or A, and 5L ... poly V-pulley, multi-pitch H, L, J, K and M3) Bore: pilot bore, finish bore, taper bore ... , bore for QD bushing4) Surface finish: paint, phosphate, zinc plate5) Material: cast iron, ductile iron, nylon, aluminum6) ... Surface finish: black oxidized phosphate, anodized, zinc-plated 5) Standard toothed bars are also available