Usage Tips:1. It is easy to install on the tin suction device. This tin suction nozzle is light in weight, easy to store, and easy to suck away solder. It is an perfect choice for replacing old or badly damaged tin suction nozzles. 2. It is made of high quality plastic, durable, corrosion resistant, high temperature resistant, compact, not easy to break and deform, high heat resistant nozzle, which can be used for a long time. 3. You don't need to buy a desoldering pump, and replace it with a suction nozzle to handle complex welding and protect the desoldering pump. It is an perfect choice for circuit boards and other solders. 4. It is applicable to the 13 inch model DS-017 tin suction device (the inner diameter of the interface is 12.5mm). It works like a needle tube. It is widely used for all DIY or repair with soldering iron, and is an essential tool for circuit maintenance, IC disassembly, and desoldering. Material: plastic colour: blue Package Contents: 4 x Nozzle 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.