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Comprehensive Compatibility: This 45-piece 1/2 x 12 sanding belt set is precision-engineered as a direct replacement for Official Work Sharp (WSKTS & WSKTS-KT / Mk.1 & Mk.2). Each belt ensures secure fit and stable tracking, giving you a hassle-free upgrade for your existing station. Complete Grit Assortment: This replacement kit includes 45 sanding belts covering every stage from rough grinding to mirror polish. It features 80-grit Zirconia for shaping, 120-grit Aluminum Oxide for edge setting, 240/400-grit ceramics for medium cutting, 600-grit White Alumina for smoothing, 800/1000-grit for fine finishing, and 2500/5000-grit for high-gloss polish—all in one complete set. Durable Abrasive Quality: Built with premium wear-resistant grains, these belts deliver consistent cutting action and long service life. The high-quality materials resist clogging and glazing, ensuring reliable performance through repeated use without premature wear. Stable & Safe Construction: The flexible yet tough fabric backing absorbs vibration and maintains tension during operation. Precision-spliced joints with bi-directional adhesive ensure smooth transitions in both directions, preventing skipping or jumping for safer, more controlled sharpening. Adaptable to Many Surfaces: Perfect for rust removal, deburring, weld grinding, blade sharpening, and surface polishing. Works effectively on metal, wood, fiberglass, rubber, plastic, stone, automotive parts, motorcycle components, and marine equipment—one kit covers all your workshop needs. ASIN B0GYYL2X6B Item Weight 6.4 ounces Manufacturer GRENTOOL Item model number HE022 Product Dimensions 6.3 x 5.5 x 2 inches