OLFA 25mm Extra Heavy-Duty Ultra-Sharp Black Snap Off Replacement Blades, 5 Blades (35 segments) HBB-5B - Snap-Off Utility Knife Replacement Blades, Fits most 25mm Utility Knives

OLFA 25mm Extra Heavy-Duty Ultra-Sharp Black Snap Off Replacement Blades, 5 Blades (35 segments) HBB-5B - Snap-Off Utility Knife Replacement Blades, Fits most 25mm Utility Knives

OLFA 25mm Extra Heavy-Duty Utility Knife (XH-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/Reinforced Fiberglass Handle & Snap-Off Blade, Replacement Blades: Any OLFA 25mm Blade

OLFA 18mm Heavy-Duty Snap Off Replacement Blades, 10 Blades (80 segments) LB-10B - Snap-Off Utility Knife Replacement Blades, Fits most 18mm Utility Knives