General description These Volume Knobs and Channel Selector Knobs are designed for various Motorola two-way radio models, providing a reliable replacement for your existing knobs. The package includes 30 Volume Knobs and 30 Channel Selector Knobs, ensuring you have ample replacements for your devices. Technical specifications Color: Black Material: ABS Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with models: GP328, GP338, GP338 Plus, GP3688, GP320, GP330, GP340, GP360, GP380, HT750, HT1250, HT1250LS, HT1550, HT1550XLS, CP040, CP140, CP150, CP160, CP180, CP185, CP190, CP200, EX500, EX600, EX600XLS, EP350, EP450, PR400, PTX600, PTX700, PTX760, PTX760+, PRO3150, PRO5150, PRO7150 Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.