Utility Knife 2 Packs, Heavy Duty Retractable and Folding Box Cutter for Cartons, Cardboard and Boxes with Blade Storage Design, Extra 20 Blades Included – Green just for $9.79 from amazon
Amazon with VIGRUE-KING OF SCREW has the 2-Pack of VIGRUE Retractable Box Cutter Utility Knives + 20 Extra Blades for $13.99 – $4.20 off with coupon code IRSMFIF7 [Exp 8/21] = $9.79 with free shipping on $25+ or with Prime.
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