This Genuine Marshalltown DR390 Drywall Plasterboard Sander File Without Rails Plane is a heavy-duty tool that is perfect for construction. Made of aluminium, it is dustproof and has a low adhesive strength. The item measures 140mm in length and 60mm in width, with a silver colour. It is suitable for plasterboard construction and comes with one in a pack. The sander file is designed without rails and is perfect for those looking for a drywall tool. This product is made in the United States and is perfect for both industrial and business use.