NYKKOLA 10pcs Solder Screwdriver Iron Tip 900 M-T For Hakko Soldering Station Tool Brand new and high quality. Qty: 10pcs. Outer Diameter: 6.5mm. Inner Diameter: 4.3mm. Replaceable soldering iron tips 900M-T series for soldering station. Featuring heat-resistant material and fine workmanship.Lifetime no less than 50,000 welding spots. For 850/852/853/878/898/902/936/937,Yihua 969 DB+ Rework Station,and other brand iron station.