Additional Details ------------------------------ Product description: The 3M Pro-Pak Wetordry Sanding Sheets are a versatile and durable abrasive solution for both metalworking and woodworking projects. These sheets are constructed with a C weight, intermediate paper backing and feature a silicon carbide material with a medium grit (150) for effective sanding. The 9 x 11 inch size allows for use with a variety of sanding tools, including mouse sanders, orbital sanders, and belt sanders. The sheets can be used wet or dry, making them suitable for clear coats, fiberglass, filler, metal, paint, and plastic surfaces. This pack contains 50 sheets, providing ample supply for your sanding needs. Please note that the product weight is approximately 3.2 lb.