Valve Core Remover Installer Material: Copper Service ports: 1/4" and 5/16"SAE Female Bypass ports: 1/4" SAE Male For removing and installing valve cores in systems. For removing and installing valve cores in systems. Replace Leaking valve cores quickly and easily. Replace Leaking valve cores quickly and easily. Dual size to work on charge systems of R410a or R22 or other retrofit replacements systems. Valve Core Remover Installer Material: Copper Service ports: 1/4" and 5/16"SAE Female Bypass ports: 1/4" SAE Male For removing and installing valve cores in systems. Replace Leaking valve cores quickly and easily. Dual size to work on charge systems of R410a or R22 or other retrofit replacements systems. Color: Gold Package Contents: 1 x 1/4" and 5/16" Valve Core Remover Installer Tool 10 x 5V1Valve Cores 1 x classic Valve Core Remover 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.