This Lisle Hand Impact Tool Set is the perfect addition to any toolbox. The set includes 3/8in drive impact sockets, extensions, and adapters, making it perfect for loosening and tightening fasteners in tight spaces. The impact sockets are made of chrome molybdenum steel for superior strength and durability, and the adapters and extensions are made of high-grade alloy steel for added strength. The set also includes a 1/2in drive adapter, making it compatible with any 1/2in drive impact wrench. This set is perfect for any mechanic or DIYer looking for a reliable and durable impact tool set.