17mm Ball Socket to 4-Hole AMPS Adapter Plate with Tightening Ring
$4.95
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This replacement adapter kit features a 17mm ball socket on the back and a 4-hole AMPS mounting plate on the front. It’s designed to connect your existing 17mm ball mount to any holder or device that uses the standard AMPS 4-hole pattern, making it easy to replace or refresh your setup.
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