Amazon.com : NT Cutter 9mm Snap-Off Blades, 50-Blade/Pack, 1 Pack (BA-50P) : Art Knife Refill Blades : Office Products
DOWELL Utility Knife Box Cutter Retractable Hobby Knife 6-Piece with 20-Piece 9mm Snap-Off Blades Heavy Duty Aluminium Handle Cutting Cardboard Boxes or DIY HY040108 - - Amazon.com
Scimaker 25MM Heavy Duty Utility Knife, Box Cutter with 10pcs SK-5 Retract Blades, Snap-Off Cutters with Rubber Grip for Cardboard, Boxes, DIY Crafts - - Amazon.com
Mansons Profi Cuttermesser klappbar - Faltbares Teppichmesser Metall extra Scharf mit 13 Ersatzklingen - Klappmesser mit Gürtelclip, Universalmesser für Teppich, Tapeten und Karton : Amazon.de: Baumarkt