Craftsman 10 Pc. Damaged Bolt/nut Remover Set, Low Profile Bolt-out 10 low profile removers, fits sizes from 3/8 to 3/4 in. and 10 to 19mm Used for removing damaged, stripped, rusted or painted fasteners (screws/nuts/bolts) of all types Designed for use in areas where space is limited as well as standard use Can be used with a combination wrench, adjustable wrench, pliers, vise grips, or socket Ratchet drive size is 3/8"