This machine is suitable for pressing tube set of common tube, such as high pressure pipe of agricultural sprayer, it will cause tooth wear if the machine press too hard iron sets. Pressing teeth: 6 teeth. Working parameters of it’s jack : 7T. Size range: Compressible (inner diameter 6.5/8.5/13.5/20MM) water pipe. 4PCS dies? Inner diameter 6.5/8.5/13.5/20MM? The main purpose of this machine is to compress the steel sleeve and pipes. As for the texture effect after pressing, as the size and pressing position of the pipes and steel sleeves are different for each person, the texture effect is subject to the actual situation. Pls allow minor differs due to manual measurement. The picture may be a little different from that of real item due to the different display and different light. There are NO EXCEPTIONS! OR, you may choose to have a replacement. We will reply you ASAP. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have. Our customer-oriented service strives for. Business time: GMT8 (9:00-18:00) from Monday to Friday.