Self-sharpening stainless steel blade and a multitude of safety features makes this trimmer a cut above. Features a patented automatic locking blade, finger guard and torsion spring that prevents blade from accidentally falling. Clamp securely holds stacks for accurate cutting without shifting or tearing. Permanent 1/2"" grid and dual standard and metric rulers help ensure proper alignment. Medium-duty 1/2"" thick wood base. Nonskid rubber feet. Trimmer Board Type: Bypass; Sheet Capacity: 15; Cut Length: 15""; Blade Material: Stainless Steel.