Whether you are a professional welder or electronic enthusiast， this GAOYUE850A / 850+ / 852+4-line Heating Core (110V Voltage) will be your best assistant. Featuring high heating rate， fast heating up， good insulating property， high efficiency and long service life， our heatingcore is great for soldering and welding. It is also antioxidative， anticorrosion and acid !#!amp!*! alkali resistant. No naked flame will occur so that you can feel secure to use it daily. Compact and lightweight， it will not add too much burden to your toolbox. Right decision for you!                                    Features             High heating rate， fast heating up， good insulating property， high efficiency and long service life<br> Antioxidative， anticorrosion and acid & alkali resistant<br> No naked flame will occur so that you can feel secure to use it daily<br> Compact and lightweight， easy for carrying and storage<br> Ideal for each welder or electronic enthusiast <br>                                                            Specifications             Model     850A / 850+ / 852+    <br> Length     4.72" / 12cm    <br> Compatible With     GAOYUE 850A / 850+ / 852+ SMD    <br> Weight     0.35oz / 10g    <br> Material     Ceramic 4 Conductors    <br> Color     Silver & White & Black    <br> Voltage     110V     <br>                                                             Package Includes            1 x Heating Core<br>