Amazon.com: HAUTMEC 18mm Utility Knife Box Cutter with Safety Quick Change Button, Snap off Black SK2 Ultra Sharp Blade, Anti-Slip Ergonomic Rubber Handle for Leather, Rubber, Cartons, Boxes HT0081-KN : Everything Else
Amazon.com: Amartisan 14-Piece Retractable Box Cutter, Utility Knifes for Boxes, Cartons, Cardboard Cutting, 18mm & 9mm Wide Blade Cutter, Very Suitable for Office and Home Use. : Office Products
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
Utility Knife Heavy Duty Box Cutter| Craft 18mm Retractable and Auto Charge - Work Perfect in Everyday Use, TPR Handle, ABS Body and Anti Rust Blade Slot (3 Pack) - Amazon.com
REXBETI 36 Pack Utility Knife, Retractable Box Cutter for Cartons, Cardboard and Boxes, 18mm Wider Razor Sharp Blade, Smooth Mechanism, Perfect for Office and Home use (36 Pack) - Amazon.com
Amazon.com: NT Cutter Heavy-Duty ABS Anti-Slip Contoured Grip Screw-Lock Utility Knife (L-550P) 18mm Heavy-Duty : Tools & Home Improvement
Amazon.com: DIYSELF 4 Pack Box Cutter, Box Cutter Retractable for Cardboard, Papers and Plastics. 18mm and 9mm Utility Knife, Razor Knife, Portable Utility Knives Efficient for DIY and Work Use, Retractable Knife :
Amazon.com: HAUTMEC 18mm Utility Knife Box Cutter with Quick Change Button and 10pcs Blade Set, Retractable Snap off Black SK2 Ultra Sharp Blade, Anti-Slip Ergonomic Rubber Handle HT0094-KN : Everything Else
WORKPRO 18mm Retractable Utility Knife, Heavy Duty Aluminum Alloy Snap-off Box Cutter with 10PC SK5 Steel Sharp Blades for Cartons, Cardboard and Boxes, Perfect for Office and Home Use - Amazon.com
Amazon.com: Fiskars Safety Cutter 18 mm, Black/Orange, 1004683 : Tools & Home Improvement
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
Amazon.com : Office Knife Box Cutter Stationery Retractable Heavy Duty Cutting for Home School 18mm (Random Color) : Arts, Crafts & Sewing
Amazon.com: HAUTMEC 18mm Utility Knife Box Cutter with Safety Quick Change Button, Snap off Black SK2 Ultra Sharp Blade, Anti-Slip Ergonomic Rubber Handle for Leather, Rubber, Cartons, Boxes HT0081-KN : Everything Else
Tape King Utility Knife Box Cutters (12-Pack Bulk, 18mm Wide Blade Cutter) - Retractable, Compact, Extended Use for Heavy Duty Office, Home, Arts Crafts, Hobby for Cutting Boxes, Cartons, Cardboard - Amazon.com
FeiLyKi Sliding utility knife,box cutter knife,snap off utility knife small and large(small random colour),sliding blades,Snap Off Blades:with 18mm+9mm:Red - Amazon.com