High QualityMade of premium high carbon steel material, hexagonal spiral design, high hardness, not easy to slip, high temperature quenching, not easy to break.14 Pieces Nut ExtractorsStandard 3/8-inch drive and 1/4-inch hexagonal drive to 3/8-inch drive adapter, let the extractor compatible with ordinary or heavy-duty power tools, drivers and screwdriver handling tools.Easy-out Bolt Extractor Set3/8-inch drive impact bolt nut extractor is precision-engineered to easily extract damaged bolts, nuts and screws, even if they are stripped, rusted or frozen.Package IncludedThe wheel nut removal tool kit fits hexagon head 6.35mm (1/4 inch), 8mm (5/16 inch), 9.5mm (3/8 inch), 10mm, 11mm (7/16 inch), 12mm, 12.7mm (1/2 inch), 13mm, 14mm (9/16 inch), 16mm (5/8 inch), 17mm, 17.5mm (11/16 inch), 19mm (3/4 inch), which can quickly replace rusted, rounded or stripped wheel nuts and bolts.