The Iain Sinclair CardSharp is a superlight and supersharp utility knife, which comes in the same size as a credit card. The extra long stainless steel surgical blade ensures longer lasting rust free sharpness, while the built-in protective sheath helps prevent injury or blunting. The Iain Sinclair CardSharp credit card folding safety knife is now available for pre-order. It will be launched in Q1 2011. £7.50 ($12).