Duratech 1/2-inch Drive Ratchet 90-tooth Quick-release Ratchet Wrench

Exceeds ANSI specifications. Easily removed by pressing the release button on the socket, even allowing one-handed socket changes. Quick release feature makes switching between sockets a breeze. Requiring only 4 degrees of space per revolution, it not only gets the job done faster, it turns fasteners in tight spaces and increases the range of use of the tool.