Master Mechanic® 38036 Flex Head 72-Teeth Ratchet, 3/8" DriveThe latest generation of industrial style 3 8 inch drive ratchet with 72 teeth to give a 5 degree increment between clicks for good access in confined spaces. More teeth are engaged simultaneously which creates greater torque strenght without the mechanism failing. 3 8 inch drive 72 teeth 72 teeth gives a working arc of just 5 degrees 7 locking angles at 17 degree intervals Access to hard to reach areas More teeth are engaged simultaneously which