Specification:Name: Bevel GearMaterial: 304 Stainless SteelModule: 3 ModuleRotational Speed Ratio: 1:1Tooth Angle: 90°Number of Teeth: 20 TeethKeyway Bore:15mm (keyway 5mm)20mm (keyway 6mm)25mm (keyway 8mm)Tooth Surface Hardness: Hardened Tooth SurfaceNote:1.Bevel gears are unmarried price, please decide to purchase in keeping with their precise needs of the number of options.2.The hyperlink bevel equipment is 1:1 speed ratio, can solely be used in a similar modulus, a similar variety of teeth.3.Batch different, teeth fullness is different, doesn't influence the use, intellect please watch out to buy.Package:Packing : Plastic bag / Carton box.Quantity : According on your Choose!