Value Collection 30MP012-6FA-1/4 Timing Belt Pulleys; Pulley Type: Hub & Flanges; Number of Teeth: 30; Outside Diameter (Decimal Inch): 0.7440; Material: Aluminum; Pitch Diameter: 0.764 mm; 0.764 in; Face Width: 0.26 in; 0.26 mm; Flange Diameter: 0.9