Original Stanley 1-11-983 heavy duty hooked trimming knife blades Stanley 1996 style to fit all types of Stanley, Dolphin, Allegro, Shark and other makes of hand tool. Used by industry professionals in roofing, flooring, warehousing, subcontract packing, DIY, crafts, graphic arts and for many other uses. One of the worlds most famous brands so buy with total confidence.Manufactured in hardened and tempered carbon steel, these razor sharp heavy duty quality blades are designed to withstand the most arduous materials and tasks. The blades are lightly oiled and are packed in a sturdy box of 100 pieces.