Specification Brand : Peachtree Woodworking Supply Label : Peachtree Woodoworking Supply Inc. Manufacturer : Peachtree Woodoworking Supply Inc. MaterialType : aluminum Model : 50 PartNumber : 3441SEV ProductGroup : BISS ProductTypeName : PRECISION_MEASURING Publisher : Peachtree Woodoworking Supply Inc. Size : All Three Size Bars SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/31UZ0WVGP0L._SL75_.jpg SmallImage_Width : 75 Studio : Peachtree Woodoworking Supply Inc. Title : Anodized Aluminum Straight Edge Bars Perfect for Checking Straightness On Metal Surface Tops, Whet Stones, Machinery and Can Be Used to Mark Or Scribe Lines (All Three Size Bars)