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.

- Tough aluminum oxide abrasive cuts fast and performs well on many surfaces

- Load resistant open-coat feature enables longer use before replacement

- Strong, D-weight paper backing supports aggressive sanding

- Sheets are conformable to various workpieces and usable by either hand or machine

- Sheets come in a number of sizes to accommodate various applications