Needle File Set 6 Piece Course Cut Watchmaker Jewelry Wooden Handles Tools 6 Needle Files with Wood Handles; This is a new set of 6 assorted needle files with wood handles Commonly used by metalsmiths when metal working and filing of materials; Great for platinum, stainless steel, exotic plastics and other hard to file materials Better performance on hard to file surfaces; Little or no clogging, a simple knock is enough to remove the chips These are highly resistant to corrosion and have a longer life than standard files; The set includes: round, equaling, half-round, crossing, square, and three-square Each measures approximately 6 3/4" (171 mm) long, an approximate diameter of 4.5mm;