Check the listing for details. volume+channel selector knob For CP200 CP200D PR400 Radios. Condition: New. Listed at 3.90 USD. You may also like7Inch OEM 800MHz Antenna for Radio HT1000 JT1000 MT2000 APX6000 GP1200 XTS30009.99 USDFree shippingHousing Case Replacement for XPR7550e Radio With Speaker+LCD+Mainboard XPR7550E98.77 USD 119.0 USDFree shipping17%offFor CP110m RDM2070d VHF MURS Two-way radio Compatible with Walmart & Sams Club164.9 USD15.0 USDNew Compalete Housing Case for XPR7550 Radio With LCD Display & Keypad Keyboard98.77 USD 119.0 USDFree shipping17%offxts5000 Ribbon Flex Cable Type Speaker For XTS5000 Two Way Radio29.85 USDFree shippingReplacement Housing Case fits for XTS5000 Model 2 Portable Radios39.8 USDFree shippingBrand New & High QualityType: Knob Cap Material：PlasticPerfect to replace the old Knob CapQuantity: 1Set (If you need more quantity, please email me! Thank you!)Compatible With Models:GP320 GP328 GP330 GP338 GP338 PLUS GP340 GP344GP360 GP380 GP388 GP640 GP680 GP3688 HT750 HT1250 HT1250-LS HT1250-LS+ HT1550 HT1550-XLSCP040 CP140 CP150 CP160 CP180 CP185 CP190 CP200 CP200D CP200XLSEP350 EP450 EX500 EX600 EX600-XLS PR400 PTX600 PTX700 PTX760 PTX760PLUS PRO3150 PRO5150 PRO7150 MTX850 MTX950 MTX8250 MTX9250Package Includes:1x Volume Control Knob1x Channel Knob