QD® Adapter. Attaches to Radio so you can use any Pryme Quick Disconnect accessory
Very popular Vertex radios with 1-pin and 2 retaining screws including: VX-130 series, VX-160, VX-180, VX-210, VX-230, VX-231, VX-350, VX-351, VX-354, VX-400, VX-410, VX-420, VX-427, VX-450, EVX-530 (Digital)