Check the listing for details. Mouse Wheel Encoder 14mm 300W Time Accurate Decoder Rotary Encoder 5 Pcs. Condition: New. Listed at 20.55 USD. What is this?Mouse Wheel Encoder is mainly used for maintenance or DIY mouse, and it is also used for micro-opening of various game mouse.What will I get?Mouse Wheel Encoder, we provide here, are in the size of:Material: ABS,MetalColor: Silver,BlackService life: 300W timesLength: 21.2mm/0.83 InchWidth: 9.6mm/0.37inchMounting Pin Height: 14mm/0.55InchPin Distance: 2.5mm / 0.1 InchIn the package of: 5 Pcs x Mouse EncoderAre there any advantages of the product?These mouse encoder have clear feedback and tight rebound, making it good for quick, high-frequency clicks. Service life 300W times.How to use it?Select the appropriate mouse encoder, remove the bad encoder from the mouse, and then install the new encoder.What should I notice?All size above is measured by manual, please allow +/-0.1 inch error.