Vertex Single Pin Bolt On Handheld Radio - Headset Coil Cord is designed to connect Motorola or Vertex single pin bolt on handheld radio to 2-way racing headsets. The 2' coiled length and 6' uncoiled length offers convenience of usage. Compatible radio models include VX130, VX160, VX180, VX210, VX210A, VX230, VX231, VX261, VX350, VX351, VX354, VX400, VX410, and VX420.