The Work Sharp Culinary E5 Upgrade Kit adds versatility to the E4, E5-NH, E5, and Professional Kitchen Electric (sold separately) with 15 and 20 sharpening guides, and specialty sharpening belts optimized to create traditional East and West edge profiles. The E5 Upgrade Kit includes 4 types of belts: (1) Blue ZA Coarse belt, (2) Red P120 Medium belts, (1) Grey X35 Fine belt, and (1) White X4 Extra-Fine belt. Each belt is part of a sharpening "recipe" with corresponding angle guides to sharpen traditional East and West edges. The abrasive belts are formulated, designed, and made for precision sharpening of high-strength steels. The grit symmetry, spacing, and backing flexibility are all designed to produce the optimal convex edge with minimal heating or material takeoff. If youve ever used a belt sander to sharpen, you know hot quickly the steel heats and how much excess material can be removed if you arent careful. Our abrasives are a key component of our success in the sharpening world. Includes additional guide storage. Deadwood Knives is an authorized Work Sharp dealer, if you have questions about this CPAC004 Professional Kitchen Sharpener Upgrade Kit,

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