Product Description ed Devil, Inc. is still a privately-owned family business with state-of-the-art manufacturing facilities in Pryor, Oklahoma. We're the only manufacturer to offer such a broad and diversified line of hand tools and chemical products for professional and home maintenance and improvement - more than 400 different products in all. In addition to producing caulks, sealants and tools under our own brand name, we also manufacture private label products for some of the nation's largest hardware and home center chains. From the Manufacturer Red Devil's Plastic Putty Knife is disposable and made of lightweight, flexible plastic. Professional and durable knife that delivers great value at a low cost.