Introducing HART’s 3/8" CR-MO Impact Socket Set – a must-have set for any automotive or professional mechanic! Constructed from the highest quality chrome molybdenum (CR-MO) steel, you can be sure that the set offers maximum durability. Not to mention, the sockets are impact rated, so you can use them for tough tasks like loosening tight rusted nuts with ease. Plus, finding the exact size socket you need is made easier with large, laser-etched markings, so you can quickly identify each size at a glance. The set comes with metric sockets ranging from 10mm to 19mm, meaning you’ll have whatever size socket you could need! And all the included sockets come with a rust-resistant Manganese Phosphate coating, meaning you won’t have to worry about dirt or grit ruining them. The HART 3/8" CR-MO Impact Socket Set provides you with performance and reliability at an unbeatable price. Best of all, the quality of this set is backed by the HART limited lifetime warranty so that you can feel confident in your purchase. Get the set you need to tackle any automotive job today!