4 Sets Heavy Duty Roofing Shark Knife & Vinyl Knife - 12PCS Utility Knife Blades Replacement, Sharp Carpet Cutter, Durable Roofing Tools for Indoor & Outdoor Construction/Repair Use

4 complete sets include roofing shark knives, vinyl knives and 12 utility blade replacements—sufficient for large roofing, carpet and vinyl projects. Heavy duty construction ensures durability, handling tough indoor/outdoor cutting tasks like roofing materials, carpets and vinyl with ease. Multi-purpose design works as roofing tool, carpet cutter and vinyl knife, meeting various cutting needs for professional and DIY projects.