Use the precision mitre guides to assure accurate angle and repeatability. Retains the high precision, extremely sharp, inexpensive single edge razor blade as the cutting tool to assure economy, clean cuts from a blade you can find when you need itat most drug, hardware or paint storesand can afford to replace as often as necessary for clean, sharp cuts every time. Increase your precision and model making efficiency. Fits your workspaceonly 7"x 7" Replaceable cutting mat for cleaner cuts Cutting depth of 1/4" maximum Cuts all model building woods, plastics Right-hand or Left-hand operation; Diecast aluminum frame, light (under 2 lb.) and strong Cuts mitres of any angleprecision guides for common angles -30, 45, 60 degrees. Safer, with more accurate repeatability. Rigid handle mount system assures greater accuracy, repeatability of cuts and more safetyno loose handle that can slip or flip into unsafe position exposing cutting blade.