Portable: the product is easy to carry around and store, in a tool box , owing to it's compact built . Rust resistant : steel acts as an anti corrosive metal. Durable :The product is made from steel , which gives it strength and durability. Ergonomic : the plastic body of the various kinds of blades and scrapers help with a firm grip The blades are sharp and ideal for cutting amd scrapping ceramics , concrete etc..