![Amazon.com: REXBETI 12-Pack Utility Knife, Retractable Box Cutter for Cartons, Cardboard and Boxes, 18mm Wider Razor Sharp Blade, Smooth Mechanism, Perfect for Office and Home use : Tools & Home Improvement Amazon.com: REXBETI 12-Pack Utility Knife, Retractable Box Cutter for Cartons, Cardboard and Boxes, 18mm Wider Razor Sharp Blade, Smooth Mechanism, Perfect for Office and Home use : Tools & Home Improvement](https://m.media-amazon.com/images/I/81d4CdLTfSL.jpg)
Amazon.com: REXBETI 12-Pack Utility Knife, Retractable Box Cutter for Cartons, Cardboard and Boxes, 18mm Wider Razor Sharp Blade, Smooth Mechanism, Perfect for Office and Home use : Tools & Home Improvement
![Folding Utility Knife With 13 Replaceable Sk5 Blades, Heavy Duty Box Knife, Pocket Carpet Knife, Versatile Retractable Lockback Knife With Safety Lock | Fruugo UK Folding Utility Knife With 13 Replaceable Sk5 Blades, Heavy Duty Box Knife, Pocket Carpet Knife, Versatile Retractable Lockback Knife With Safety Lock | Fruugo UK](https://img.fruugo.com/product/8/12/616927128_max.jpg)
Folding Utility Knife With 13 Replaceable Sk5 Blades, Heavy Duty Box Knife, Pocket Carpet Knife, Versatile Retractable Lockback Knife With Safety Lock | Fruugo UK
![DOWELL Utility Knife Box Cutter Retractable Self Loading Heavy Duty Snap Off Quick Change Extra Blades(3PCS) TPR+PP Handle Cutting Cardboard Boxes or DIY - Amazon.com DOWELL Utility Knife Box Cutter Retractable Self Loading Heavy Duty Snap Off Quick Change Extra Blades(3PCS) TPR+PP Handle Cutting Cardboard Boxes or DIY - Amazon.com](https://m.media-amazon.com/images/I/71J2LX1tW8S.jpg)
DOWELL Utility Knife Box Cutter Retractable Self Loading Heavy Duty Snap Off Quick Change Extra Blades(3PCS) TPR+PP Handle Cutting Cardboard Boxes or DIY - Amazon.com
![FC Folding Pocket Utility Knife - Heavy Duty Box Cutter with Holster, Quick Change Blades, Lock-Back Design, and Lightweight Aluminum Body - Amazon.com FC Folding Pocket Utility Knife - Heavy Duty Box Cutter with Holster, Quick Change Blades, Lock-Back Design, and Lightweight Aluminum Body - Amazon.com](https://m.media-amazon.com/images/I/61HD2J7E4vL._AC_UF894,1000_QL80_.jpg)