Description:Product Name: 4-Point Double Drive Chain Wheel/False Double Row/Walking Chain Separate ChainMaterial: SteelFeatures: Product Features: Corrosion Resistance, Acid And Alkali Resistance, Oxidation Resistance, Low Noise, Long Service LifeProduct Uses: Medical Devices, Low-Temperature Engineering, Optical Instruments, High-Speed Machine Tools, High-Speed Motors, Printing Machinery, Food Processing MachineryPackaging Content: The Minimum Sales Volume For This Link Is 1 PieceModel:4-Point 10 Tooth Dual Drive/Total Thickness 30 Sprocket4-Point 12 Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point 13 Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point 14 Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point 15 Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point sixteen Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point 17 Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point 18 Tooth Dual Drive/Total Thickness 30 Inner Hole 14 Sprocket4-Point 19 Tooth Dual Drive/Total Thickness 30 Inner Hole 16 Sprocket4-Point 20 Tooth Dual Drive/Total Thickness 30 Inner Hole 16 Sprocket4-Point 21 Tooth Dual Drive/Total Thickness 30 Inner Hole sixteen Sprocket4-Point 22 Tooth Dual Drive/Total Thickness 30 Inner Hole sixteen Sprocket4-Point 23 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 24 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 25 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 26 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 27 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 28 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 29 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket4-Point 30 Tooth Dual Drive/Total Thickness 30 Inner Hole 18 Sprocket