100-Pack Utility Knife Blades, Tough SK-2 Razor Blades for Utility Knife Box Cutter, With 1-blade & 5-blade Dispenser, Standard Replacement Blades for Box Cutter, Box Cutter Blades Refills

M MEEPO 100-Pack Utility Knife Blades, Blackened SK-2 Razor Blades for Box Cutter, Never Rust, Extra Durable

REXBETI 2-Pack Utility Knife, SK5 Heavy Duty Retractable Box Cutter for Cartons, Cardboard and Boxes, Blade Storage Design, Extra 10 Blades Included（Total 18 Blades）

M MEEPO Box Cutter, 4-Pack Tough Folding Box Cutter for Heavy Duty Purpose, Razor Sharp Blade, Comfortable Handle, with Extra 10-Piece Blades, Can cut Drywall, Sheet Plastic, Linoleum, Boxes, Rope