Mastercool MSC58490-YF Universal Valve Core Remover/Installer for 1234yf

The perfect tool for replacing damaged valve cores with R1234yf refrigerant in the system without losing the system's charge.

• Attaches to R1234yf Service Ports to Quickly and Easily Remove and Replace Valve Cores without the Loss of Refrigerant
• Ball Valve Design with Stainless Steel Ball Provides Smooth Movement and Durability
• Kit Covers 17 mm and 14 mm High and Low Side Service Ports
• Includes Valve assembly, High Side 17 mm Connector, Low Side 14 mm Connector, Standard Valve Core Shaft, GM Large Bore Valve Core Shaft Eaton R134a/R1234yf High Side Valve Core Shaft