Cooper Tools 1974 - 8X1/4 Chainsaw File, Round, smooth. Fastest cutting and best finishing. 1 per card. No. 01590: 6"" x 1.8"" diameter No. 01630: 6"" x 5/32"" diameter No. 01765: 8"" x 3/16"" diameter No. 01888: 8"" x 7/32"" diameter No. 01974: 8"" x 1/