1-Pack Box Cutter Utility Knife, Heavy Duty Aluminum Shell

Husky Auto-Loading Retractable Utility Knife 00043 - The Home Depot

cardboard cutter

cardboard cutter

Electric Box Cutter

Utility Knife

Husky 2-in-1 Folding Utility Knife and Sporting Knife 99978 - The Home Depot

Tried many of the big box stores utility knives and I believe the black husky on the top left is the best, the small Milwaukee in the middle is very close. The

RW Base Blue Utility Knife / Box Cutter - Anti-Slip Handle - 6 1/2 - 4 count box

Personna 61-0849 .25 HD Blue 3-Notch Utility Blades (100 Pack)

Electric Box Cutter

REXBETI 4-Pack Utility Knife, SK5 Heavy Duty Aluminum Shell Retractable Box Cutter Knife Sets for Cartons, Cardboard and Boxes, Extra 5PCS Hook Blades and 10PCS Trapezoid Blades Included - Yahoo Shopping