It's like having 31 tools in one ... the compact PB Swiss Tools Allrounder roll-up case is a professional toolkit featuring a variety of different interchangeable blades and handle. This is an indispensable companion for installation and service work. It includes a comprehensive range of blades for all current types and sizes of screwdriver. Each tool is 100 percent Swiss made and comes with an unlimited lifetime guarantee. For more information visit www.pbtools.us.