Value Collection 10MP012-6CA1 Timing Belt Pulleys; Pulley Type: Hub w/One Flange; Number of Teeth: 10; Outside Diameter (Decimal Inch): 0.2350; Belt Width: 0.125; Material: Aluminum; Pitch Diameter: 0.255 mm; 0.255 in; Face Width: 0.201 in; 0.201 mm;