Needle File Set File Type Needle File Material Applications Brass Bronze Stainless Steel Tin File Style Swiss Pattern File File Length without Tang 4 in File Set Type Needle File Set Files Included 4 in Barrette 4 in Crossing 4 in Equalling Needle Files 4 in Flat 4 in Half Round 4 in Joint RE 4 in Knife 4 in Marking 4 in Round 4 in Slitting 4 in Square 4 in Three-Square Profile Shape Barrette Crossing Equaling Rectangular Half Round Knife Round Square Triangular