Photo 1 of OLFA 18mm Heavy-Duty Multi Blade Utility Knife (PL-1) - Multi-Purpose Precision Knife w/Multi-Blade Chamber for Extended Use, Snap-Off Blades, Replacement Blades: Any OLFA 18mm Blade

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Photo 1 of OLFA 18mm Heavy-Duty Multi Blade Utility Knife (PL-1) - Multi-Purpose Precision Knife w/Multi-Blade Chamber for Extended Use, Snap-Off Blades, Replacement Blades: Any OLFA 18mm Blade