The Milwaukee 15PC Metric Combination Wrench Set with PACKOUT Organizer includes combo wrenches that deliver up to 25% more torque. The MAX BITE Open-End Grip improves the wrench's grip on nuts and bolts, and the geometry reduces rounding and stripping. The I-Beam handle design provides comfort in high torque applications and features easy-to-read ink-filled size labeling. All Milwaukee Mechanics Hand Tools are backed by a Lifetime Guarantee. The included PACKOUT Organizer is part of the Most Versatile Durable Modular Storage System. The Organizer is IP65-rated and built from impact-resistant materials for durability on and off the jobsite. All PACKOUT is backed by a Limited Lifetime Warranty.