Prouduct introduce: R12 R134A Valve Core Removal Tool Kit.You can use this repair tool kit to replace and maintain your car air conditioning systems. Material: The valve core removal tool is made of brass,more sturdy,long service life;The pull rod is made of stainless steel,it has strong suction and can grasp the valve core firmly.There are two different valve cores to choose from. High & Low Voltage Quick Coupler: Red-high pressure coupler,inner diameter 16mm;Blue-low pressure coupler,inner diameter 13mm.The ball valve can be opened and closed in just a quarter turn.Anti-slip design,easy to turn. Prouduct application: It is suitable for R134A car air conditioning systems;for car air conditioner,household air conditioner, maintenance etc. The actual product may have slight color difference or discrepancy, which not affect the use Material: Copper Color: As Shown Package Contents: 1 x Valve Core Quick Remover Installer Tool Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.