[Quick Temperature]: Good heating performance for quick temperature rise. Better heat transfer effect, stability and reliability. High toughness, high density, soldering temperature less likely to change over time, longer life than conventional soldering tips. [Various Types Tips]: Provides 4 types - B2, C4, K, D24 of thick round, big horseshoe, big knife shape, and flat shape soldering tips to meet different soldering requirements. [Great Soldering Effect]: Made of high-quality materials with high temperature resistance for long-term use. Fine workmanship, standardized design, good tin soldering effect. [Eco-friendly Tip]: All series soldering pen tips are made of eco-friendly and lead-free materials, harmless to humans. [Perfect Replacement]: These soldering iron tips are a perfect replacement for Pinecil solder pen, PTS200, TS100, TS101 mini pencil soldering iron, and other micro-type soldering iron pens on the market. Note: Slight color difference due to lighting or display settings may occur, but does not affect usage. Color: Silver Material: Copper Package Contents: 4 x Soldering Iron Tips Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.