THINKWORK Bolt Extractor Set, 13+1 Pieces Impact & Nut Remover Stripped Lug Remover, Extraction Socket Set for Removing Damaged, Frozen, Rusted, Rounded-Off Bolts, Nuts Screws

Each bolt extractor is made of high hardness chrome-molybdenum steel for superior durability and longer life. It will easily extract damaged bolts, nuts, and screws even if they are stripped, rusted, or frozen., The internal thread with reverse spiral flutes design to bite down to provide maximum gripping power, the more you turn, the tighter the socket grips., Standard 3/8-inch drive and hex adapter to let the extractors compatible with common to heavy-duty power tools, drivers and screwdrivers handle tools., 13+1 pieces 3/8 inch drive bolt remover set includes 3/4"(19mm), 11/16", 17mm, 5/8"(16mm), 9/16"(14mm), 13mm, 1/2", 12mm, 7/16"(11mm), 10mm, 3/8", 5/16"(8mm), 1/4", and hex adapter., Heavy-duty blow-molded case for organized storage and easy carry.