17' Paper cutter supports trimming A3, B4, A4, B5, A5, B6, B7 papers; allowing cutting 400 sheets of papers simultaneously Alignment grid and millimeters/inches ruler help measuring accurately Solid steel construction for ensuring stability and durability; guillotine blade and ergonomic handle for cutting the paper with less labor Adjustable backstop for holding paper well and adjusting the right position Widely used on cutting ledger papers, photos, menu, magazines and paper DIY handicrafts