Plastic Mount Head alternative for COATS® Tire Changer Machine. Duck Head for Tire Machine Models 5030, 5040, 5050, 5060, 5065, 6050, 6060, 6065, 7050, 7055, 7060, 7065, 7660, 7665. All base-line models may fit others as well. It replaces Coats 8183061, 183061, 8182960, 182960, 8183060, 183060, 8182788, 182788