Standard V-Belt Pulley, 3L Pitch Diameter 8.55 in, 3V Pitch Diameter Not Applicable, 3VX Pitch Diameter Not Applicable, 4L Pitch Diameter 8.75 in, 5V Pitch Diameter Not Applicable, 5VX Pitch Diameter Not Applicable, A Pitch Diameter 8.75 in, AX Pitch Diameter Not Applicable, B Pitch Diameter Not Applicable, BX Pitch Diameter Not Applicable, C Pitch Diameter Not Applicable, CX Pitch Diameter Not Applicable, Bore Diameter 3/4 in, Bore Type Fixed, For Belt Trade Size 4L, A