Product Description Product Name: 06B Industrial Flat SprocketNumber of Teeth: 10/11/12/13/14/15/16/17/18/19/20-25 TeethMaterial: Carbon SteelTooth Pitch: 9.525mmWhether Standard Parts: StandardApplication:For use with curler chainsFeatures:1.Carbon metal material, wear-resistant and corrosion-resistant, acid and alkali resistant, rust-proof.2.Smooth running, high load capacity, long life.Package:According in your Choose!