Carbide blade provides smooth operation;Cuts up to 10 sheets of standard 20-pound bond paper;Cuts mat board, card stock, plastic sheets, etc; ideal for home office functions or craft projects;Up to 11 different cutting blade patterns available -sold separately;Limited lifetime warranty -excluding blade and cutting mat;CARL Professional 10 sheet rotary paper trimmer with a solid metal calibrated base board, carbide blade, patented rail system and alignment grid and ruler.;Count on precise, accurate cuts with the premium carbide blade.;CARL Model number RT-218, cuts up to 10 sheets.;Patented rail system holds paper firmly to ensure a sharp edge and exact cut.;Sturdy metal base is calibrated and features preset measurements for common-sized items.