Value Collection 40-5M09-6A-5/16 Timing Belt Pulleys; Pulley Type: Hub w/No Flanges; Number of Teeth: 40; Outside Diameter (Decimal Inch): 2.4610; Belt Width: 9.0 mm; 9.0 in; 9.0 cm; Material: Aluminum; Pitch Diameter: 2.506 in; 2.506 mm; Face Width: