Cutter Knife Set with 4 Replacement Blades (1 Set)Heavy Duty, Working Cutter Knife Set with 4 Replacement Blades, Cutting Blade and Precision Knife Blade, Utility Knife Heavy Duty Industrial Cutter Knife (1 Set) Description : Heavy duty cutter, ideal for thicker cuts. It can also be used for commercial or industrial purpose like cutting thick paper, cardboard, balsa wood, photos, coupons, card stocks, mat board, foam board, delicate fabrics, etc. This knife has a stable plastic casing with quick