10 X SUNDELY Chunky Volume Knob + Channel Selector Knob For Motorola Radios GP340 GP344 GP360 10 X Chunky Volume Knob + Channel Selector Knob For Motorola Radios CP040, CP140, CP150, CP160, CP180, CP185, CP190, CP200 EP350, EP450, EX500, EX600, EX600-xls, HT750, HT1250, HT1250-ls, HT1250-ls+, HT1550, HT1550-xls GP320, GP330, GP328, GP338, GP338 PLUS, GP340, GP344, GP360, GP380, GP388, GP640, GP680, GP3688 PTX600, PTX700, PTX760, PTX760 PLUS, PR400, PR860PRO3150, PRO5150, PRO7150