Flex Plastic Putty Knife - 3 Piece Set 3-Pack Flex Plastic Putty Knife Set is a part of 4700 Economy Series of quality plastic putty knives, scrapers, and adhesive scrapers. These disposable putty knives are made of lightweight, flexible plastic and are ideal for most home repair projects, and deliver great value at a low cost. It includes a 1 1/2" putty knife, a 3" spreader, and a 6" taping knife. SKU: 4718 Product Info FEATURES: Quality Plastic Construction Provides Strength Flexibility An Economical Alternative to Metal Knife Options Great Value That Provides Multiple Options for Your Repairs at a Low Cost Can Be Disposed of Once the Project is Complete (description exceeds maximum possible length)