An all purpose board mounted substrate trimming tool ready to size virtually any suitable flat materials that can be cut with a razor blade. Foamboard, illustration board, mat board, Coroplast, watercolor paper etc. are all downsized quickly and accurately. It includes a 27″ (69cm) squaring arm, pull style cutting head with auto-retraction after each cut, adjustable blade depth and cuts up to 1/2″ (13mm) of suitable material. Includes extra blades. uses Logan replacement blade #267. T300 Total Trimmer 40” (101cm) capacity.