1. It has high strength, excellent durability and toughness, and improves wear resistance and service life.2. It can be used in agricultural equipment, textile machinery, and printing machinery. It is suitable for various mechanical transmission occasions.Specification:Name: Chain Drive SprocketModel: #25 04CMaterial: 45# SteelSurface Treatment: Hardening of tooth surfacesTeeth Pitch: 1/4'' (6.35mm)Teeth: 25 Teeth ~ 40 TeethBore: 14mm Shaft Hole: Machining completed (Standard hole)Note:Due to the batch of different step diameter will also vary, please prevail in kind! 1. Gears are more stable, wear-resistant, strong and durable. 2. Good processing makes them roll more smoothly. A good gear replacement for your equipment. 3. Gears allow for more stable rotation and easy installation. Brand Name FEWLHJNM Manufacturer FEWLHJNM Material Type Metal