Power Up Gunmetal Flask

There is a reason why they use gunmetal in cannons and guns, it needs the strength to withstand massive force. Show your groomsmen how tough they are by getting them this awesome flask as your groomsmen gift. It has a classic look with three initial engraving that you can't go wrong with. 

This flask holds 8 ounces of your favorite booze and can be personalized with 1 line of up to 15 characters.