50   Catalog 5 Pc . 10 Pc . Size Spec . Grit Order No . Price Ea . Price Ea . Price Ea . 3 x 3/4 x 1/8 HF873    HARD ARKANSAS   Ultra Fine NOR86830 $ 21 . 99 $ 20 . 89 $ 19 . 79 4 x 1 x 1/8 Back CF724    INDIA   Coarse NOR86780 $    9 . 67 $    9 . 19 $    8 . 70 4 x 1 x 1/8 Back MF724    INDIA   Medium NOR86775 9 . 67 9 . 19 8 . 70 4 x 1 x 1/8 Back FF724    INDIA   Fine NOR86770 9 . 67 9 . 19 8 . 70 Knife Blade Files Knife Blade Files Knife Blade Files are used by clock and watch makers to quickly sharpen, hone and maintain the edge and point of cutting tools . Abrasive File Assortment Kits Hard Arkansas File Kit This kit provides a selection of the our most popular square, triangular, round and knife blade files in ultra fine Hard Arkansas for honing and polishing a wide range of configurations . Hard Arkansas - India File Kit This kit accommodates the complete range of finishing, honing and polishing applications .   It contains a selection of the most popular file shapes/sizes in both fine grit India and ultra fine grit Hard Arkansas .   Catalog 5 Pc . 10 Pc . Size Spec . Order No . Price Ea . Price Ea . Price Ea . Hard Arkansas Kit Includes 1 ea . of HF13, HF113, HF813, HF873   NOR86839 $ 52 . 42 $ 49 . 80 $ 47 . 18 Hard Arkansas – India Kit Includes 1 ea . of Hard Arkansas HF13, HF43, HF113, HF813, HF873,   India FF14, FF44, FF114, FF214, FF724 NOR86840 94 . 77 90 . 03 85 . 29 Abrasive File Assortment Kits Silversmith Precision Files These aluminum oxide precision - shaped stones are designed for use by sil - versmiths and mechanics for close tolerance lapping, touching - up instruments, and for cleaning tools and dies . Engravers’ Chuck & Points Engravers’ Points are the choice of professional die - makers for cleaning out tight corners and recesses of dies where close tolerances and accuracy are a must .   The Engravers’ Chuck is a knurled nickel - plated tool designed to hold the Engravers’ Point .   Catalog 5 Pc . 10 Pc . Size Spec . Grit Order No . Price Ea . Price Ea . Price Ea . 1 x 1/8 FT11    INDIA Engraver’s Point Fine NOR87495 $ 5 . 39 $ 5 . 12 $ 4 . 85 1 x 1/8 AT11    SOFT ARKANSAS Engraver’s Point Extra Fine NOR87490 6 . 18 5 . 88 5 . 57 Engravers’ Chuck & Points   Catalog 5 Pc . 10 Pc . Size Spec . Grit Order No . Price Ea . Price Ea . Price Ea . 4 x 5/16 x 3/16 x 5/16 x 1/16 MF414    INDIA   Medium NOR86855 $ 11 . 07 $ 10 . 51 $ 9 . 96 4 x 5/16 x 3/16 x 5/16 x 1/16 FF414    INDIA   Fine NOR86850 11 . 07 10 . 51 9 . 96 4 x 3/8 x 3/16 x 1/8 x 1/16 MF424    INDIA   Medium NOR86915 $ 11 . 07 $ 10 . 51 $ 9 . 96 4 x 1/2 x 1/16 CF444    INDIA   Coarse NOR86965 $ 11 . 07 $ 10 . 51 $ 9 . 96 4 x 1/2 x 1/16 MF444    INDIA   Medium NOR86960 11 . 07 10 . 51 9 . 96 4 x 1/2 x 1/16 FF444    INDIA   Fine NOR86955 11 . 07 10 . 51 9 . 96 4 x 1/2 x 1/4 x 5/16 x 1/8 MF474    INDIA   Medium NOR87005 $ 11 . 07 $ 10 . 51 $ 9 . 96 Silversmith Precision Files