Coinax is 2.5cm in diameter, about the size of a $1 coin, and 0.8cm thick. The front and back covers are made of TC4 titanium alloy. It features a built-in knife and bottle opener, available in 9Cr18 steel and Damascus steel. A strong magnet is built in, allowing it to adhere to metal surfaces and effectively preventing the knife and bottle opener from opening automatically. Suitable for: opening packages, cutting ropes, cutting small objects, opening beer bottles, and simply handling and playing with it.
