V-Belt Pulley Bore Type Fixed Bore Material Die Cast Zamak 3 Number of Grooves 1 Bore Dia 3/4 In. Outside Dia 8 In. 3L Belt Pitch Dia 7.55 In. 4L A or AX Belt Pitch Dia 7.85 In. 4LA or A Belt Pitch Dia 7.85 In. Fits Shaft Dia 3/4 In. None Bushing Required Construction Spoked Keyway Size 0.187 in x 0.093 In. Set Screw Included Yes For Use With 3L 4L or A Type V-Belts