Remove and install the valve core from a 1/4-inch male flare access fitting without the loss of refrigerant. solid brass tool has a ball valve that can be opened and closed in just a quarter-turn rather than a stem-type valve. Designed with a stainless-steel ball for durability and . Enclosed the high side and low side coupler. name:Valve Core Remover Tool Type: tubeless valve nozzle Style: English mouth Assembly method: buckle type Applicable models: Most Application Steps: (1)Take a look at the valve core removal. (2)Unscrew the low-side (or high-side if that's what you are fixing) port cap. (3)Connect the valve removal tool. (4)Insert the extractor. (5)Unscrew the old valve core. (6)Pull the valve core up. (7)Remove the valve core. (8)The valve core is now out. (9)Put the new valve core on the . (10)Install the new valve core. (11)Place the protective cap back on the low side port. Condition: 100% New and Never Used. High Pressure: Red coupler, with inner diameter 16mm. Low Pressure: Blue coupler, with inner diameter 13mm. Valve Core: R134/R12. Colour:As Shown Material:copper Package Contents: 1 set x Valve Core Remover Tool(1 Pc x air conditioner R134A Valve Core Remover / Installer High Side (Red),1 Pc x air conditioner R134A Valve Core Remover / Installer Low Side (Blue)) 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.