1. For Honda GXR 120 RT: This starter pulley is specially designed for Honda Recoil Starter GXR 120 RT engines (28400ZDJ003ZB, 28400ZDJ003ZA) to ensure proper fit and functionality. your worn or damaged pulley starter disc with this exact match component to restore your engine's start mechanism to operating condition. 2. HEAVY DUTY CONSTRUCTION: Made of strength plastic materials, this pulley starter disc is built to withstand the demanding conditions of outdoor electrical appliances. The durable design maintains integrity through repeated pulling and various weather conditions, extending the life of your lawn mower or outdoor electrical appliances. 3. Easy Installation: This replacement pulley features a userfriendly design that allows for quick and straightforward installation without tools. Simply remove your old damaged disc and attach this replacementyour equipment will be ready to use again in minutes with minimal effort. 4. LIGHTWEIGHT DESIGN: The thoughtfully constructed lightweight design reduces hand fatigue from repeated pulling while still providing the strength needed for reliable engine starting. This balanced design makes starting your equipment less strenuous while maintaining performance.