Convenience - Universal design allows for use on 65 different fasteners Access - Up to 50% slimmer profile than regular wrenches Who needs a full wrench setwhen the Craftsman Universal Multi Tool covers 16 different Inch and Metric wrench sizes, all in one compact easy to use and store tool. Perfect for home, shop, office, RV, ATV, boat or motorcycle. The Craftsman Universal Multi Tool fits the fill for quick fastening jobs. The unique Universal design feature of the wrench works on 6 different fastener head types: Square (4 sided), 6 Point/hex, 12 Point, External Torx, Spline and even partially rounded hex head fasteners. One tool, so many uses.