3M 11 in. L x 9 in. W 80 Grit Aluminum Oxide Sandpaper 50 pk - 1002861
3M™ Paper Sheet 346U is constructed of aluminum oxide and comes in a range of grades and sizes to accommodate many different projects. The paper backing is durable for coarse sanding, yet flexible enough to be used on curved surfaces. Its cut-rate and durability make this an excellent choice for blending the joints of connecting pieces in wood - and metal-working.