Stay ready for any cutting task that comes your way by having the JobSmart Utility Knife and Blades Set. Featuring a variety of knives and blade sizes, this knife set comes with everything you need to make detailed, precise cuts, whether trimming up carpet, cardboard or other materials. The retractable blades let you carry the knives with ease, while the quick-change mechanism makes blade changes easy, quick and safe. You'll also appreciate the ergonomic handles with finger grooves and textured grips, keeping hands comfortable and supported through long tasks. This utility knife set includes (1) 9 mm self-loading utility knife, (1) 18 mm self-loading utility knife, (1) folding utility knife, (5) 9 mm snap-off blades, (5) 18 mm snap-off blades and (5) standard utility knife blades for convenience.