1. Not easy to wear, durable performance. This gear is a good industrial alternative accessory.2. Widely used in conveying, hardware, agricultural equipment, printing machinery, mechanical transmission and so on.3. The contact between the gears is firm to ensure the normal operation of the machine and good carrying capacity.Specification:Name: Spur GearMaterial: Blue Nylon (Plastic)Surface Treatment: UntreatedModule: 1.5MTooth Pitch: 4.71mmTotal Height: 15mmNumber of Teeth: 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 TeethProcess Hole: 6mm (Process small holes, need to be processed again after the later to use)Tooth Surface Hardness: Soft tooth surfacNote:1. The link in the gear is a single price, please choose to buy according to their needs.2. The inner holes of nylon gear are factory process holes, which need to be processed again in the later period to be used.3. Nylon gear 12 to 60 teeth color is light blue, 65 teeth to 100 teeth color is dark blue.4. The modulus represents the size of the tooth, the greater the modulus, the larger the tooth, the greater the corresponding bearing capacity.