Detail knife are designed for maximum performance and precision. Always on the cutting edge, for decades has been the standard by which other cutting blades are measured. Detail Knife features our sharpest, most durable blade ever. This blade provides an edge that is proven to be 5 times stronger and stays sharp 7-10 times longer than standard blades. Does an incredible job with delicate, precision cutting or trimming or stripping on paper, plastic, balsa, thin metal, cloth, acetate and other materials. A lightweight aluminum handle with easy-change blade.