User option cut, Increased cut capacity, designed for everyday continuous use Cuts almost any material from the thinnest tissue paper to mountboard and shim metal Finest quality steel self-sharpening precision blades Twin chrome steel guide rails completely eliminate head swivel whilst delivering a smooth gliding action Metal end frames and head Solid laminate gridded baseboard with aluminium side rule and cursor Transparent clampstrip for accurate work placement Completely safe and easy-to-use by people of all ages.