These 5pcs TOMIZAWA Round PE Lead-free Environmental-friendly Soldering Iron Heads 900M-T-B are applicable to 936, 937 or other 900M series soldering irons. Made of superb quality oxygen-free copper and with advanced technique, these soldering iron heads are guaranteed in ultra strong corrosion resistance, antioxidation and excellent thermal conductivity. The welding spot is up to 2000-3000 to ensure stable and reliable performance. Moreover, these soldering iron heads are easy to apply tin without leading insufficient solder. Featuring long lifespan and quick heat conductivity, they are practical. Take action now!                                    Features             Adopt oxygen-free copper, easy to heat up<br>
 Feature fine heat conductivity, corrosion resistance, antioxidation and long lifespan<br>
 Excellent wettability and tractility<br>
 Easy to apply tin<br>
 Scientific and strict chemical examination to ensure balanced inductance and stable performance<br>
 Lead-free material is environmental-friendly   <br>
                                                            Specifications             Material     Metal    <br>
 Color     Black    <br>
 Dimensions     (1.65 x 0.24)" / (4.2 x 0.6)cm (L x Dia.)    <br>
 Weight     1.06oz / 30g    <br>
 Pattern     Round     <br>
                                                             Package Includes            5 x Soldering Iron Tools<br>