Amazon.com: Better Tools - 2-Notch German Concave Hook Blade (100/box) : Tools & Home Improvement
WEUPE Hook Blade Utility Knife with 5 Utility Hook Blades, Made in USA, Heavy-Duty Retractable Razor Knife Set with Comfort Grip, Shingle Cutter Roofing Knife, Quality Steel - - Amazon.com
Amazon.com: Stanley 11-983 Large Hook Blades, Pack of 5(Pack of 5) : Tools & Home Improvement
Fish 200 Original Knife with Hook Blade Safety Box Cutter
Crescent Wiss Heavy Duty Hook Blades, 5-Pack .025 In. - Walmart.com
Hook Blade 10 Pack Utility Knife Hooked Razor Blades - Ten Super Sharp Refill Blades in Convenient Storage Box - Heavy Duty SK5 Replacement Blades for Carpet, Roofing Blade Knife, Box Cutter : Tools & Home Improvement - Amazon.com
Heavy Duty Hook Blade Utility Knife with 5 Spare Refills. Sharp, Retractable Hooked Box Cutter Tool for Shingles, Roofing, Carpet. USA Made Stainless Steel Handle Fits 2 Notch Replacement Razor Blades - - Amazon.com
WEUPE Hook Blade Utility Knife with 5 Utility Hook Blades, Made in USA, Heavy-Duty Retractable Razor Knife Set with Comfort Grip, Shingle Cutter Roofing Knife, Quality Steel - - Amazon.com
REXBETI 4-Pack Utility Knife, SK5 Heavy Duty Aluminum Shell Retractable Box Cutter Knife Sets for Cartons, Cardboard and Boxes, Extra 5PCS Hook Blades and 10PCS Trapezoid Blades Included - - Amazon.com