Our unique Detection Box holds sockets, tools, and accessories firmly in place and allows for instant identification of missing products, even when the box is closed. It reduces the risk of forgetting a socket, tool, or accessory in a machine or an engine after servicing and reduces the risk of accidents. Available in 3/8" drive and 1/2" drive versions, each set includes a premium ratchet: choose from a maintenance free compact head ratchet or dual function rotator ratchet.