Value Collection 17-5M09-6FA-1/4 Timing Belt Pulleys; Pulley Type: Hub & Flanges; Number of Teeth: 17; Outside Diameter (Decimal Inch): 1.0200; Belt Width: 9.0 mm; 9.0 in; 9.0 cm; Material: Aluminum; Pitch Diameter: 1.065 in; 1.065 mm; Face Width: 0.