Features:Premium Materials: All components of the kit are made from durable, premium materials, ensuring longlasting performance and reliability.CostEffective Solution: Instead of replacing the entire garage door opener, this gear kit allows you to simply replace the wornout gears, providing a costeffective solution to extend the lifespan of your garage door opener.Compatible Models: Replacement for Liftmaster, Chamberlain, Craftsman, Sears, Master Mechanic, Wayne Dalton chain drive units. Compatible with 2245, 2255, 2265, PD210, PD212, PD610, PD612K, 1200 Series, 1240, 1245, 1246, 1250, 1255, 1256, 1260, 1265, and more. Not all models are listed.Easy Installation: This kit is designed for userfriendly installation, allowing homeowners to replace the chain drive gears themselves without the need for professional assistance.Complete Kit Includes: Helical gear and top hat assembly, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears. Our chain drive gear and sprocket kit is a complete chain drive gear and sprocket replacement.Specifications:Item Name: Garage Door Opener Gear KitMain Material: Plastic, MetalColor: SilverPackage Information:Package Size: 15*10.7*6.8cm5.91*4.21*2.68inchPackage Weight: 500g1.1lbPackage List:1 * Garage Door Opener Gear Kit