5-pc BOLT-GRIP Deep Well Sets, 3/8 in Drive, Carbon Steel

Deep well design fits over exposed studs and reaches recessed fasteners. Reduced profile head enables use in confined spaces. 3/8 in. square drive for use with hand ratchets, impact wrenches, and air ratchets. Hexagonal flats for use with flat wrench, pliers, adjustable wrench, sockets, or VISE-GRIP® locking pliers. When you are faced with a rounded-off, rusted-tight or painted-over bolt, bolt extractors will break it free.