The TriFlex tool by Reflex is a long lasting multi use tool at a great price. A combination of 6 essential tools in one makes it the perfect choice for skateboarding. Lightweight and portable, you should never skate without one. 9/16" socket, 1/2" socket, 3/8" socket. 1/8" allen wrench, Phillips head screwdriver (1 double ended piece). The griptape file is built right into the shaft. Ergonomic, comforable pocket tool.