Sunsbell Air Conditioner Refrigeration R134A R12 Converting Adapter Car AC Connector Hose Set Kit Rubber and metal material made Adapters 716M 516F 716M 38F 716M 716F 716M 516F 716M M9 (Internal) 716M 38F Hose 716M 38F (red) 716M 516F (blue) Easy to use and install, strong sealing Place the front of your vehicle Color: blue+red+ brass