The Morn Sun Professional Multi-Blade Utility Art Knife features an ergonomic, heavy-duty technical modeling cutting tool framework. The premium stainless steel slide tracks accommodate snap-off blade extensions smoothly. A sturdy integrated mechanical auto-lock button secures layouts under high manual downward force. The non-slip knurled grip housing provides complete cutting control. A handy built-in rear clip snapper breaks dull tips easily. This precision tool safely slices through foam boards, vinyl, and cardboard layouts.