Standard V-Belt Pulley For V-Belt Section 3L 4L A Number of Grooves 1 Pulley Outside Dia 10.00 In. Pulley Bore Type Fixed Bore Pulley Bore Dia 1 In. Pulley Material Die Cast Zamak 3 None Bushing Required Fits Shaft Dia 1 In. 3L Belt Pitch Dia 9.55 In. 4L or A Belt Pitch Dia 9.85 In. Construction Spoked Industry Number CA1000X100KW Keyway Size Type 0.250 in x 0.125 In. Set Screw Included Yes