Features: *E10 Welding Head: The E10 soldering tips set will provide you with all the soldering iron accessories you’ll need for maximum results. * Precision ground copper tips are plated with iron, nickel and chromium, long lasting use life. Easy to use, not easily oxidized. *Thread soldering tip is finest brass materials, not easily oxidized, strong and and corrosion resistant. *This USB welding head suitable for usb soldering iron head E10 interface battery soldering iron soldering iron head threaded soldering iron head. *All soldering iron tips can be used, after soldering, there will be tin slag on the soldering iron tip, just wipe it off with this sponge, and the tin slag will fall off. Specification: Material: Brass Length: Approx. 50mm TYPE:cutter head,Horseshoe head,pointed(optional) Package Includes: 1 Piece Soldering Iron Tip with Sponge Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. E10 Welding Head: The E10 soldering tips set will provide you with all the soldering iron accessories you’ll need for maximum results. Precision ground copper tips are plated with iron, nickel and chromium, long lasting use life. Easy to use, not easily oxidized. E10 Welding Head: The E10 soldering tips set will provide you with all the soldering iron accessories you’ll need for maximum results. Precision ground copper tips are plated with iron, nickel and chromium, long lasting use life. Easy to use, not easily oxidized. Thread soldering tip is finest brass materials, not easily oxidized, strong and and corrosion resistant. Thread soldering tip is finest brass materials, not easily oxidized, strong and and corrosion resistant.