The Klein Tools 652QS Quad-8 Deep-Well Heavy-Duty Impact Flip Sockets are a set of high-quality hand tools designed for industrial use. This 3-piece set includes sockets in various SAE sizes, making it versatile for a range of applications. The deep-well design allows for better gripping of nuts and bolts, while the impact flip feature makes it easy to switch between sizes quickly. With the trusted Klein Tools brand and a California Prop 65 warning, these sockets are a reliable addition to any toolbox.