Cardsharp4 black folding safety knife (size of a credit card) by Iain Sinclair

Cardsharp4 new metal knife: CNC machined from a wafer thin strip of ultralight aluminum including Keronite® advanced surface finish. Cardsharp4 has ultimate robustness and strength. New construction with two-stage, child-proof safety lock helps prevent accidental opening and gives the knife excellent rigidity in both open and closed positions and the new improved rivet secures the blade to the body. Spring-loaded Nitinol hinges ensure the Cardsharp4 remains flat while in card mode with no sagging. A tough,