This Credit Card Lock Pick Set looks like a regular credit card.So it fits into your wallet with your other cardsThis is a novelty item and is not intended to replace full-sized lock pick sets or to be used regularly on the job. BUT the 5 individual pieces that can help you compromise BASIC US locks .Suitable for:- Newbie Lockpick Trainning- Perfect size for small to medium use.- Good gift choice for kids's practice.Package included:- One tension wrench- One small diamond pick- C rake snake- L rake snakeMaterial : SteelThick : 1/8 inches (about twice as thick as a typical credit card)