PROFESSIONAL ASSISTANTFor removing and installing valve cores in charged systems. Rep Leaking valve cores quickly and easily. Dual size to work on charge systems of R410a or R22 or other retrofit repments systems. WELL-MADE The valve core remover installer tool is made of brass which is durable and won't rust easily and the metal knobs are in anti-slip knuing design which is durable and you can use them for a long time. TIME-SAVINGthe core grabber tool makes it easy to insert it into the inner valve so you can control the core needn't to stop the machine or release the refrigerant you can remove and install the valve cores conveniently save hours of evacuation and charging time. Valve core removal wrench basic operation: 1.Pull out the dead point on the stem close the valve on the tool adjust the joint of the tool to the air conditioning interface and tighten the valve on the air conditioning. 2.Make sure that the tool is connected tightly to the air conditioning valve then open the valve on the tool. Push the stem into the air conditioning valve and gently rotate the tail knob of the remover. Find the angle to connect the valve core and then loosen it. 3.When the valve core is removed pull out the stem close the valve on the valve remover loosen the screw at the end of the tool and take out the valve core. The work is done! Note: We suggest that before removing the valve core close the valve core wrench valve and disconnect the air conditioner internal connection. Specification: Item: Valve Core Remover Installer R410a valve core removal tool R22 valve core removal tool a/c valve core removal tool HVAC valve core removal tool Schrader valve removal tool refrigeration air condition services for pressurized mini split system. Service ports: 1/4 Inch and 5/16 Inch SAE Female Bypass ports: 1/4 Inch SAE Male Color: yellow Material: Copper Package Contents: 1Pc * Valve Core Remover Installer 1Pc * Valve Core Remover 10Pcs * 5V1 valve core Only the above package content other products are not included. Note: Light shooting 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. About Us We provide the good product with the best pricewe support Wholesale/Drop Shipping Order 1. For Drop Shipping order please remark"dropshipping order" we will prioritize it. 2. For Wholesale/Drop Shipping orders if you have any ideas about the price or packageplease contact us in advancewe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip code especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the orderplease contact us in advance we will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packageplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problem please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !