The maximum sharpness/Made in Japan/OLFA 9mm Stainless Steel Auto-Lock Graphics Utility Knife & 9mm Snap-Off Art Blade, 10-Pack Value Set (with our shop original description of goods) 30-Degree angle for precision Good for model making, scrapbooks, memory books, general crafts and hobby, etc Cuts cardboard, plastics, Coroplast, foam board, gator board and more 7 cutting edges per blade strip, 70 cutting points per blade pack The discount set which adjusted a main unit and 10 replacement blades