Nicholson File Handle is designed to provide versatility and convenience for your filing needs. This handle contains three plastic inserts that accommodate a variety of files, making it suitable for different tasks. The No. 5-1 insert fits 6", 8", and 10" mill files, 8" and 10" flat files, 8" x 10" half-round files, and an 8" half-round wood rasp. The No. 5-3 insert works with 6" slim taper files, as well as 6", 8", and 10" round files, including 8" x 3/16", 8" x 7/32", and 8" x 1/4" round chainsaw files. The No. 5-4 insert is compatible with 6" X or 6" XX slim taper files and 6" x 1/8" and 6" x 5/32" round chainsaw files. This file handle is sized to use files from 6" to 10" and comes packaged on a card for easy display and storage. Model Number: 21474N