The 3/8" Drive 72T flex head ratchet is engineered and made of industrial-grade chrome vanadium steel and a mirror chrome finish to protect against corrosion and provide long lasting durability. The reversible 72-tooth ratcheting mechanism only needs a 5-degree swing arc to operate while maintaining maximum torque. The drive direction can easily be changed with a flick of the thumb switch on the back of the flexible ratchet head, while changing sockets out is easy thanks to the quick release button. Easily change the drive direction with a flick of the thumb switch on the back of the flex head. The flexible ratcheting head design allows for ease of movement and 180 degree range of motion when working in confined spaces in automotive, electrical, construction and home repairs.