Extended life and high quality 900M soldering tips, up to 40,000 solder joints can be used. Outer diameter: 1/4 (6.5mm), Inner diameter: 1/6 (4.1 mm); Materials: oxygen-free copper; Type: lead-free tip 10 different sizes and shapes: 900M-TB, 900M-TI, 900M-TK, 900M-T-1.2D, 900M-T-1.6D, 900M-T-2.4D, 900M-T-3.2D, 900M-T-2C, 900M-T-3C, 900M-T-4C Precision ground copper tips are plated with iron, nickel and chrome. Suitable for Hakko, Radio Shack 64-053, Atten, Quick, Aoyue, Yihua, X-Tronic, Vastar, Sywon, Tabiger, SOAIY, SEALODY and other brand iron stations Specifications: Material: iron + copper Color: silver Temperature range: 200-480 Replacement for: 900M-TB, 900M-TI, 900M-TK, 900M-T-1.2D, 900M-T-1.6D, 900M-T-2.4D, 900M-T-3.2D, 900M-T-2C, 900M-T-3C, 900M-T-4C Tip Length: 40-44mm Tip Inner Dia: 4.1mm Tip Outer Diameter: 6.5mm Shank depth: 26mm Contents: 10 x Soldering Iron Tips Note: This does not include other items. Color is based on the first picture; other pictures are for illustration only. Due to differences between monitors, the picture may not reflect the actual color of the item. Due to manual measurement, please allow for slight deviation.