Material: These tips are made of copper and not zinc plated, easy to tin and diamagnetic, suitable for low temperature welding. Model: 900M-TI, 900M-TK, 900M-TB, 900M-T-3C, 900M-T-2.4D, 900M-T-SK Application: These soldering tips are suitable for the soldering stations 936, 937, 938, 969, 8586, 852D. 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. Features: 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 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 < /p> 2. Do not apply excessive pressure 3. Keep the tip of the soldering iron clean and clean the oxide < /p> 4. Used with low activity flux paste Specification: < p>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 < /p> Type: Lead Free Material: Pure Copper Temperature Range: 200-480 Contents: 6PCS x 900M-T copper soldering tips