This 18-in-1 tool is small in size and only 2.5 inches in diameter. It has a key ring, so it can be hung on a key or backpack, which is very convenient to carry. The product is a unique snowflake design, which can be used in outdoor sports, camping, boarding, adventure, rescue and other places.You can use it to open the beer bottle, turn the screw, fix snowboarding and bicycle, open carton box and so on.It has 18 different functions.You can also customize the logo.