This is a fun novelty promo gift is small but powerful and is durable enough to tackle any bottle cap. Easily stored in a wallet or other small space. It is at your fingertips whenever you need it. It's made of sturdy stainless steel and is the perfect tool for casino,gambling house,hotel,restaurant etc. It's also a great groomsmen gift.Engraved with your own logo will make deep impression.Black color.