Flex-head Quick Release Ratchet is available in three different specifications: 1/4 inch, 3/8 inch and 1/2 inch, and is compatible with more fasteners on the market. The number of ratchet teeth is 45 or 72 teeth. There is an anti-slip design on the handle to improve the grip. Just press the middle part of the ratchet head to realize the quick removal function.