The 256-PC Mechanics Tool Set comes equipped with newly improved 1/4-in drive, 3/8-in drive, and 1/2-in drive low-profile 72-tooth ratchets. Designed to allow greater access in confined spaces, low profile ratchets have up to a 25% thinner head*. Packed with a broad assortment of 6-point and 12-point sockets, combination wrenches, and drive tool accessories in a durable blow mold 2-drawer box. Drawer bumps on both the front and back of the drawers have been added to help keep drawers in place when not in use. This all-in-one mechanics tool set will help your garage or workshop run like a well-oiled machine. Perfect as a starter set or as an addition to your current tool collection, this assortment of tools will help you tackle any fastening or repair project. Proudly backed by a Full Lifetime Warranty. *1/4” DR and 3/8” DR Only As Compared To CMMT81747, CMMT81748, & CMMT81749