Value Collection 24MP025-6FA-1/4 Timing Belt Pulleys; Pulley Type: Hub & Flanges; Number of Teeth: 24; Outside Diameter (Decimal Inch): 0.5910; Material: Aluminum; Pitch Diameter: 0.611 in; 0.611 mm; Face Width: 0.389 in; 0.389 mm; Flange Diameter: 0