The Performance Tool W36139 Extension Set is a must-have for any DIY enthusiast or professional mechanic. With extended lengths of 12", 15", and 18", this set makes it easier to reach tight spaces and access hard-to-reach nuts and bolts. Made from high-quality chrome vanadium steel, these extensions offer superior strength and durability, ensuring that they can withstand even the toughest jobs. The chrome plated finish makes them resistant to rust and corrosion, ensuring that they will last for years to come. The knurled grip on each extension provides improved handling and control, making them easier to work with even in wet or oily conditions. This versatile set includes three extensions in sizes of 12", 15", and 18", providing a complete set of options for any job, big or small. Invest in the Performance Tool W36139 Extension Set today and make your next project a success!