3 pcs opcc 11 in 1 Multi Tool Card Survival Credit Card Tool Fits Perfect in Your Wallet with Knife Blade Stainless steel multi card tool, featuring 11 tools all in 1 card, including Beer card bottle opene Birthday gift!! Great for camping hunting survival kits and activitys, and everyday use Christmas gift for him: Great size to fit in your wallet or pocket measuring: 2.7" x 1.8" Beer credit card bottle opener and multi tool. Has a small hole for keychain ring Durable for any situation, including military use!