Pack Of 4-Ninja Multi-purpose Credit Card Sized Measuring Tool Card Multi Tool and fits in your wallet with credit cards It is the best pocket tool ever. It's so slim that you will carry it everywhere Perfect for: Repairmen,Contractors, Carpenters, Electricians, & Plumbers Size:3.35-inches by 2.16-inches. Fits in your wallet Will never rust, bend, or dull