Fangrui Product Details Esd Protect Sensitive Components Ceramic Heating Core,can Use For A Long Time Plating Alloy Welding Head, Have Longer Life Than Ordinary Welding Head High Temperature Silicone On The Handle,no Worry About Hands Scalded For 936 Soldering Station The Electric Soldering Iron Includes One 900m-t-i Hot Iron Tip Handle For 852d+, 853d, 878ad, 898d, 936b, 937d Usage: Welding Can Be Carried Out 2 Minutes After The Electricity Can Be Used At Welding Temperature;unplug The Power If Not Used For Long Time To Extend Life Of The Heater And Iron Head Tin Should Be On Iron Head In Use And After Use Attentions: Strong Acidic Flux Is Avoided For Welding In Use, Iron Can Not Be Knocked And Black Oxide In The Head Can Not Be Cleared Bu File Elements Andiron Head Are Strictly Prohibited To Be Demolished Or Replaced When Iron Is In Electricity It Is Normal For Heating Elements To Have A Slight Fever With Smoke After The First Electricity, They Ll Disappear After 10 Minutes The Configured Iron Base And Welding M