VERANY Multi Function Carabiner Number.4 Clip Bottle Opener How size inside wrench Screwdriver Bottle opener Screwdriver Great for: Repairmen, mechanics, carpenters, hobbyists, campers Both ends also multi-functional as a bottle opener,screwdriver, wrench Design Portable Easy to carry for daily use Mini tool High quality Multifunctional carabiner that you can use to attach and carry keys water bottles camping