It happens often enough that you don't have a screwdriver handy when you need it. With the Click Carabiner Multi Tool, never ever get caught without a screwdriver again. The Click Carabiner is the ultimate way to carry your keys.
Leatherman - MUT EDC Multi Tool Rifle Maintenance Tool, Black with Molle Brown Sheath I carry this MUT. It is versatile and the brass scraper will really save your fine edge blade. Well worth the price.