The Keencut Straight Edge, in silver anodized aluminum, is a superb straight edge for use in marking, drawing, pen-lining, scoring or cutting. It can be used with all types of hand-held tools where accuracy is required. The Keencut Straight Edge is strong, precise and portable and comes fitted with two full-length grip strips to steady the straight edge and protect sensitive surfaces. Safe to use the straight edge as an integral finger guard and a full-length stainless steel bead to resist wear to the edge and the tools. The Keencut Straight Edge is available in eight convenient sizes from 18" to 72".