The original and still a favorite. Through-hardened self-sharpening high-carbon steel blade ensures a precise cut and long-lasting edge. Cuts paper mat board cardboard film tissue and textiles. Safety features include a patented automatic blade latch that locks with every cutting motion and a finger guard that protects the entire length of the blade. Torsion spring prevents blade from accidentally falling. Permanent 1/2 grid and dual standard and metric rulers ensure proper alignment. Ergonomic soft-grip handle. Heavy-duty 3/4 thick wood base with non-skid rubber feet for extra stability. Global Product Type - Trimmer Boards-Bypass Trimmer Board Type - Bypass Sheet Capacity - 20 Cut Length - 18 Blade Material - Hardened Steel Base Material - Wood Base Length - 18 Base Width - 18 1/2 Replacement Blades - Premier W-O017518 (Handle Blade) W-O010518 (Bed Blade) Pre-Consumer Recycled Content Percent - 0% Post-Consumer Recycled Content Percent - 0% Total Recycled Content Percent - 0%