Features: Premium Durability plastic and metal combination for enhanced wear resistance and extended life , eliminating frequent replacement needs for professional requiring long computer use. Wide Compatibility : Specifically designed for G903, G903HERO, G604, and G502 models, seamlessly replacing damaged original parts while fitting popular gaming mouse for both gamers and offices users. Tool less Installation : Features an easy installation design allowing quick installation and removal without tools, improving efficiency for enthusiasts and beginners alike. Precisely engineered for stable scrolling performances during intense gaming or demanding work tasks, catering to users seeking high performances accessories. Longevity Solution : Extends overall mouse life by replacing worn out scroll wheels, ideal for designers, programmers, and gamers to maintain uninterrupted workflow efficiency. Specifications: Component: plastic + metal Size: Suitable for G903/G903HERO/G604/G502 mouse models Package Type：Scroll Wheel and Stand/ Scroll Wheel Only Suitable for replacing original damaged mouse wheel to ensuring long life and better working Note: Installation and disassembly are simple and convenient, suitable for professional use Package Includes: 1PC Mouse wheel (applicable to G903/G903HERO/G604/G502 models) note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.