24" Rotary paper trimmer features a razor-sharp rolling blade that stays close to cutting surface for accurate, efficient, safer cutting of paper. 45mm straight-cutting blade cleanly cuts up to 10 sheets of 20 lb. bond paper. Trimmer also accepts 45mm pinking, wave, deckle, scoring, squiggle, tiara and Victorian blades (available separately), and perforating blade. Mat is self-healing.