【COMPATIBILITY】: The 1/2" x 12" Replacement Belt Kit is for Work Sharp Original Knife & Tool Sharpener and Combo Knife Sharpener (WSKTS & WSKTS-KT). 【WHAT INCLUDED】: 24 Pcs 1/2" X 12" Knife Sharpener Sanding Belts, including 4 pcs 80 Grits Zirconia belts, 4 pcs 120 Grits Zirconia belts, 4 pcs 240 Grits Alumina belts, 4 pcs 400 Grits Alumina belts, 4 pcs 1000 Grits silicon carbide belts, 4 pcs 1200 Grits silicon carbide belts. 【COMPETITIVE PRICE】: WE ARE THE MANUFACTURER! We can provide a MORE competitive price, and meantime the SAME, even the BETTER quality belts. Are you worried about that you get what you pay for? As a professional sanding belt manufacturer, we devote ourself to make the best sanding belts. If you have anything disappointed to our product, Please Contact Us. And We will give you a free replacement kit or an unconditional refund. Try it, you have nothing to lose!