Feature: 1. COMPATIBILITY: This volume knob and channel selector knob replacement is designed specifically for BF 888S 2 way radio to ensure a seamless fit and replacement. 2. QUICK INSTALLATION: You are able to quickly and securely install these replacement parts into your radio without the need for complicated tools or professional skills, simple and easy to use. 3. PACKAGE CONTENT: Each package includes 5 volume knobs and 5 channel knobs for your replacement needs. Multiple spare parts ensure you don't have to worry about parts wearing out in the long run. 4. PREMIUM MATERIAL: They are made of premium plastic material for high reliability and durability, able to withstand daily wear and tear and the stress of frequent use. 5. IDEAL REPLACEMENT PARTS: They are ideal replacement parts for your damaged or lost radio volume control knobs and channel knobs, which can bring you a good using experience. Specification: Item Type: Radio Volume Channel Knob Replacement Material: Plastic Applicable Model: For BF 888S. Package List: 5 x Volume Knob 5 x Channel Knob