Heavy-Duty Guillotine Paper Trimmer Wood Base 12"x15" - Built to stand up to the frequent use in busy office and school environments. - X-ACTO® hardened steel blade stays sharp with the Perpetual Edge Self-Sharpening System&trade. - Safety features include blade-lock safety latch and safety guard. - Durable 3/4" thick base features standard and metric grids and adjustable paper guide. - Dual rulers for convenient measuring. - Easy-grip handle helps increase your cutting power. - Non-skid rubber feet prevent slipping. - Trimmer Board Type: Bypass Sheet Capacity: 10 Cut Length: 15" Blade Material: Hardened Steel.