Value Collection 44MP012-6FA-1/4 Timing Belt Pulleys; Pulley Type: Hub & Flanges; Number of Teeth: 44; Outside Diameter (Decimal Inch): 1.1000; Material: Aluminum; Pitch Diameter: 1.12 mm; 1.12 in; Face Width: 0.276 mm; 0.276 in; Flange Diameter: 1.3