Amana Tool P 590 HSS, T-1 18 Percent Tungsten 25 Long x 1-1/4 Height x 1/8 Wide x 45 Deg Cut Angle Planer & Jointer Knife

New grade T-1 high-speed steel with 18% tungsten content. For comparison,ニ_ニ_this steel is much harder than M-2 HSS which typically has 12% tungsten.ニ_ニ_Crafted on state-of-the-art equipment, each knife is ground, honed andニ_ニ_individually hand-hammered to exacting tolerances. Many standard sizesニ_ニ_available individually or in sets. Packaging: Bulk in flat tubes.