Designed to fit into tight areas to remove painted-over, rounded-off, rusted-tight and stubborn nuts and bolts. Allows use of 3/8 in.-drive ratchet, flat wrench, locking pliers or impact wrench. Made of high-carbon steel. Left-handed spiral teeth. U.S.A. Drive (in.): 3/8, Pieces (qty.): 5 Includes sizes: 5/16 in. (8mm), 10mm, 13mm, 11/16 in., & 3/4 in. (19mm)

Price: $29.99 Updated on 6-28-2010.