Therwen 40 Pcs Folding Utility Knives Bulk with 80 Replacement Blades Heavy Duty Box Cutter with Safety Lock Folding Utility Razor Knives Retractable Mechanism Paper Cutter, Multicolor

Abundant Quantity: this set includes 40 heavy duty multifunctional razors and 80 replacement blades for cutting paper, cardboard, ropes, etc. The folding blades come in four colors: red, yellow, black, and green, with 10 blades per color | Sturdy Structure: using durable zinc alloy blades and colored plastic handles to ensure grip | Appropriate Size: each folding knife measures 15.7 x 1.9 cm/6.18 x 0.75 inch | Safe Design: features a retractable blade for added safety when not in use | Easy to Carry: lightweight and portable, easy to carry and store in toolboxes or drawers