earWrench The Apex KD81306P GEARWRENCH 1/2" Drive and 3/8" Drive 11-1/2" 120XP Flex Head Ratchets are perfect for use on a variety of automotive repairs. The ratchets have a flex head design that makes them easy to use, even in tight spaces. They also have a 1/2" drive and 3/8" drive, making them versatile and able to handle a variety of tasks.