Material: Copper, Tip Set Contains: Curve Tip x 10pcs.. Hole Inner Diameter: 4mm/ 0.16 inch, Outer Diameter: 6.3mm / 0.25 inch, Total Length: 41mm / 1.61 inch; Tip Shape: Curve Tip(IS Series).. Lead-free soldering iron tips can bear higher temperatures than those normal tips. Perfectly for soldering tips on lead-free.. Heat quickly, good ability to hang tin, not easily oxidized, decrease solder joint failure..
