This is a high-speed steel SKH-9 (high-speed steel) blade made by FK. It is a replacement blade for industrial use, suitable for cutting and processing steel and metal, with excellent grindability and durability. Although it is an unused item that has been stored in a warehouse for a long time, there is some light rust and dirt on the surface. It is at a level that does not affect use, but please refrain from purchasing if you are looking for a perfect, pristine item. 【Specifications】 • Manufacturer: FK • Material: SKH-9 (High-Speed Steel) • Indicated Size: 140 (label notation) • Teeth: Slightly coarse pitch for metal cutting • Application: Metal cutting machines, industrial electric saw replacement blades 【Condition】 • Unused, long-term storage • Rust and storage dirt present • No warping or chipped teeth • Label partially peeled off ※ "Set of 2" is also available in combination with the DIAMOND blade that is also listed. Please comment if you are interested. 【Notes】 • This is a replacement blade for metal processing. Please be sure to check the size of the machine to be installed. • There is rust and dirt due to long-term storage. • It is not junk, but it is an old industrial cutting tool, so it is sold as-is.