Klever X-Change Wide Double Sided Replacement Head
Klever XChange, Box Cutter, Safety Cutter, Utility Knife, Safety Knife, Replaceable Head Perfect for Cutting Double Wall Cardboard or Other Thick Material (Orange) - Amazon.com
Klever Xchange Extra Durable Blade Head - Klever Sales, LLC
Klever XChange Cutters and Replacement Blades in Stock - ULINE
Klever XChange Cutters and Replacement Blades in Stock - ULINE