Rolson 62807 18mm Utility Knife

Rolson-18mm-Snap-Off-Blade-Utility-Knife-Rolson-62807-p-A-general-purpose-disposable-knife-with-a-snap-off-blades-which-permits-7-new-unused-cutting-edges-to-be-exposed-p-Rolson-62807-18mm-Utility-Knife

Price: 2.48 from Rapid Online Rapid Electronics Ltd.