Pro Metal Rotary Trimmer10 Sheets Metal Base 10 1/4" x 17 1/4" - Designed for smooth effortless trimming. - Provides rotary cutting action that prevents bending and tearing so you get a clean cut every time. - Enclosed stainless steel blade cuts in both directions so you can speed through jobs. - Transparent cutting guide gives a clear view of cutting path for quick precise cuts. - Manual paper clamp secures paper stacks. - Alignment grid and ruler with metric and standard scales. - Sturdy metal base with non-slip feet for an extra-stable cutting platform. - Easy-grip handle. - Built-in blade storage compartment Trimmer Board Type: Rotary Sheet Capacity: 10 Cut Length: 12" Blade Material: Stainless Steel.