6 Swiss Needle Files Great for Metalsmiths, Metal Working & Filing This is a new set of 6 assorted needle files. These are medium cut and are great for filing all metals. Made of chrome alloy steel. These files are well made and economical. Each measures approximately 5 1/2" (140 mm) long. You receive: One equalling file One barrette file One three square file One half round file One round file One square file