Welcome to our shop! Designed for: Refrigerant recovery pliers can be used to puncture refrigeration tubing and recover old refrigerant instantly. the refrigeration tube steel locking clamp can improve work efficiency. Quality steel material: the refrigerant recovery clamp is made of high quality steel, the clamp is sturdy and durable . It can easily bite through 1mm thick copper pipe and supports up to 8mm in diameter. Easy to use: Air Conditioner Welding Hand Tools, Easy to Use Air Conditioning Refrigerant Recovery Pliers, 1/4" SAE Port. The adjustable nut on the tail to control force and save fatigue. Sophisticated design: With high quality rubber sealing ring, it can prevent the copper tube from deforming after drilling the copper tube smoothly. The adjustable nut is used on the tail to control force and save effort. Product Features: Refrigeration Tube Locking Clamp, the Refrigerant Recovery Clamp snaps into refrigerant lines and punches large holes for immediate and maximum full flow to the recovery unit. 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.