Features 1、10Pcs in Total: This hot end throat tubing set has a total of 10 hot end throat tubing, which is enough to meet your daily work and life needs. 2、Direct Connection Hole: This hot end throat tubing has a 4.1mm (0.16in) direct connecting hole with a PTFE tube through the nozzle to prevent clogging. 3、Easy to Install: These hot end throat tubing are well designed and easy to install and remove, allowing direct replacement of old or damaged parts for higher strength. 4、Light Weight: Our hot end throat tubing is light weight and very portable, you can write to take it with you whenever you need. 5、Stainless Steel Material: This hot end throat tubing is made of stainless steel, which is strong and durable and can be used for a long time. Specification Item Type: Hotend Throat Tube Material: Stainless Steel Thread: M6 Hole Diameter: Approx. 4.1mm / 0.16in Package List 10 x Hotend Throat Tube