TrimAir Titanium 45MM Rotary Paper Trimmer Metal Base 12" - Easy-to-use cutting carriage with stress-free lever. - Cuts 15 sheets of 20-lb. - paper. - No-touch blade system is easy and safe to change. - Blade carriage infused with antimicrobial protection to inhibit the growth of bacterial odors. - 45 mm titanium bonded blades stay sharper longer. - Durable heavy-duty metal base. - Trimmer Board Type: Rotary Sheet Capacity: 15 Cut Length: 12" Blade Material: Titanium Bonded™ Stainless Steel.