Ergonomic Design for Comfort and Ease: Zimpty roofing knives are not only functional but fashionable; The streamlined handle shape provides an ergonomic grip that gives you positive control; This feature is accentuated by a low friction locking screw (thumb wheel), enabling you to open it with one hand; The experience of using this knife feels natural and effortless Convenient Knife Set: embrace the convenience that comes along with this package of 2 pieces of utility knives; Designed mainly in a striking silver hue, Zimpty knives stand out and are easy to locate in your toolbox; Each knife in the collection is approximately 7.09 inches/ 18 cm in size, suitable for multiple cutting tasks Application and Practical Use: Zimpty roofing knife is designed with diverse cutting tasks in mind; Whether for construction, gardening, office, or kitchen tasks, these robust tools may be applied; Being lightweight and reliable, they provide efficient performance without exerting much pressure, giving you utility and adaptability Easy Blade Installation for Smooth Performance: Zimpty fixed blade utility knife requires no tools for blade installation; Accompanied by clear instructions, changing the blade becomes a simple task; It makes your cutting tasks efficient, whether for paper, cardboard, or more robust materials Aluminum Build: made of sturdy aluminum blade, Zimpty roofing tools endures extended use; It's not just about tasks completed but ensuring that you have a reliable partner that lasts the distance, thanks to the reliable aluminum blade Tackle tough roofing jobs with this heavy-duty roofer's knife combo. The set includes a long roofing insulation knife with a titanium-coated blade, perfect for slicing through thick insulation materials. The black utility knife features a sturdy plastic handle and a retractable blade for safety. Lastly, the silver fixed-blade roofing knife has a serrated edge and a built-in blade snapper, making it ideal for cutting shingles and other roofing materials. With this versatile trio, you'll be equipped to handle any roofing task with precision and ease. Constructed with durable materials, these knives are built to withstand the rigors of the job site. Upgrade your toolbox with this essential roofer's knife set.