22532 1/4" Drive 108T Flex-Head Stubby Ratchet 120mm. 23532 3/8" Drive 108T Flex-Head Stubby Ratchet 140mm. 24532 1/2" Drive 108T Flex-Head Stubby Ratchet 170mm. Extra fine ratchet action with 108 teeth, 3.3° swing allowing faster work in the most confined of spaces.