KENMAX Volume Control Knob Channel Knob for Motorola GP640 GP680 HT750 CP150 CP160 CP180 This item is a replacement part of radio volume control knob and channel knob 100% new,and never been used. Package contents: - 1 x volume knob - 1 x channel knob For Motorola radios: GP328, GP338, GP338 PLUS, GP3688, GP320, GP330, GP340, GP344, GP360, GP380, GP388, GP640, GP680, HT750,HT1250, HT1250-ls, HT1250-ls+, HT1550, HT1550-xls, CP040,CP140, CP150,CP160,CP180, CP185,CP190, CP200, EX500, EX600, EX600-xls, EP350, EP450, PR400, PR860, PTX600, PTX700, PTX760, PTX760PLUS, PRO3150, PRO5150, PRO7150.