Features and benefits: max bite trade, open-end grip - 25% more torque, comfortable I-beam handle design, ink-filled size labels, ink-filled size labels for easy size identification, and Quick distinction between SAE and metric sets, organized storage solution and comes with a lifetime guarantee. Milwaukee has designed our combination wrenches from the ground up, delivering maximum torque and ultimate user comfort. The max bite open-end grip improves the wrench's grip on nuts and bolts, and the geometry reduces rounding and stripping. Max bite offers 25% more torque than competitive wrench designs. The comfortable I-beam handle design allows superior user comfort, even while applying high torque. Milwaukee wrenches feature ink-filled size labels for easy size identification, and Quick distinction between SAE and metric sets. The 15pc kits come in a storage tray designed for long-term storage, keeping your tool chest organized. Standing Behind our products, Milwaukee offers a lifetime guarantee on all of our combination wrench sets.