PB Swiss Tools™ rainbow ball point hex key L - wrench set for hexagon socket screws size 1.5 mm through 10 mm lets the user find the needed hex key quickly in the workshop. All tasks are made easier thanks to the quick recognition of sizes by means of colors. A specially designed ball end allows up 30 degree angle. Each tool is 100 percent Swiss made and comes with an unlimited lifetime guarantee. For more information visit www.pbtools.us.