CB Radio Knob On/Off Volume Squelch for Cobra Amber Jewel Chrome UP#21785-Each

img {max-width: 100%; height: auto;} Application: on/off, volume, and squelch knob found on the CB radio in Kenworth, Peterbilt, Freightliner, Western star, Volvo, Mack, International IHC and others were around knob is needed Mounting : remove old knob, placed new knob on the shaft and tighten set screw with an Allen wrench (which is not included) Material: chrome aluminum Size: base: 1/4" opening; 5/8" depth; 13/16" wide; 11/16" tall; top: 9/16" wide, 1/8" opening, 5/8" height Part Location: interior CB radio Part Style: 2 piece knob, amber jewel top Part Color: silver, amber Quantity for sale: each Bulk Packaging New