For AC System Diagnostic Car A/C Conversion Kit Ergonomic Knurled Grip

Features an ergonomic knurled grip for effortless operation. Application: This for R1234yf to for R134A low and high side quick coupler fits for R1234YFR12 to for R134A car air-conditioning AC charging, AC manifold gauge, diagnostic check, recovery and evacuation work.

eBay