Material: These tips are made of copper and not galvanized, easy to tin and diamagnetic, suitable for low temperature welding. Model: 900M-T-I, 900M-T-K, 900M-T-B, 900M-T-3C, 900M-T-2.4D, 900M-T-SK Application: These soldering tips are suitable for the 936, 937, 938, 969, 8586, 852D soldering stations. 6PCS: This set contains 6 soldering tip shapes in total, and you can choose the suitable one according to different soldering needs. Note: Try to tin the tip while heating. If you leave it on for too long or heat it too hot, it will burn the solder and turn black again. Functions: Good Quality: These bits are made of pure copper, good performance, durable and long lasting use. Good performance: with pure copper, easy to hang tin, good diamagnetic capacity Application: suitable for most soldering stations and most soldering irons Lead-free and environmentally friendly: no lead for your health, replacement tips to make your work more fun. Soldering iron tip made of high quality oxygen-free copper, lead-free, environmentally friendly, fast thermal conductivity, oxidation resistance, corrosion resistance, long service life and smooth tin plating. Care of the soldering tips 1. Control the temperature of the soldering iron tip appropriately, the ultra-high temperature will accelerate the oxidation of the soldering iron tip 2. Do not apply excessive pressure 3. Keep the soldering iron tip clean and clean the oxide 4. Used with low activity flux paste Specification: Shape: SK / K / I / B / 2.4D / 3C Size: 4.2*0.6cm/4.1*0.6cm/4.2*1.8cm/4.2*3cm/4.2*3.6cm/4, 2*6cm Color: Copper Type: Lead Free Material: pure copper Temperature range: 200-480 Content: 6PCS x 900M-T copper soldering tips