[Quick Temperature]: Good heating performance for quick temperature rise. Better heat transfer effect, stability and reliability, very practical, easy to operate, high toughness, high density, soldering temperature less likely to change over time, longer life than conventional soldered tips. [Various Types Tips]: Provides 4 types ST-B2/C4/K/D24 of thick round head/big horseshoe/big knife shape/flat head shape soldering tips to meet your different soldering requirements. [Great Soldering Effect]: Made of High-quality materials, high temperature resistance, anti-oxidation and long-term use. Fine workmanship, standardized design, good tin soldering effect. [Eco-friendly Tip]: All ST series soldering pen's tips made of Eco-friendly and lead-free materials, harmless to human. [Perfect Replacement]: These soldering iron tips are perfect replacement part for Pinecil solder pen, PTS200/TS100/TS101 mini pencil soldering iron, and other micro-type soldering iron pens models on the market.<br><br>Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Silver Material:copper<br><br>Package Contents: 4 * Soldering Iron Tips<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.