This is a stunning Mcusta Nishijin cloth pouch. Made in the traditional Japanese design, this pouch provides protective storage for a knife approximately 4" to 4.5" long (listing is for pouch only, knife not included, shown for example only). Will work for any Mcusta model. Mcusta creates custom quality production knives that are hand finished. Machine Custom = Mcusta. Located in Seki, Japan, the company holds an esteemed reputation for producing the finest Japanese folders. Comes with string loosely wound, see last 3 pictures for example of how to put correct loop to tighten. Please see dimensions below to determine if your knife will fit.