THINKWORK Damaged Screw Extractor Set & Bolt Extractor Set, HSS 6542 (68 HRC), 39-Piece Stripped Screw Remover, Lug Nut Remover for Removing Damaged

Premium Quality: Made of high hardness chrome-molybdenum steel and high-speed steel 6542 with 68 HRC max Rockwell hardness which is double times price higher than the HSS 4341, just for the superior durability.Wide Size Range: Different from the usual size range (1/4" to 19mm), we are more comprehensive (2mm to 21mm) for more applications.Easy to Use: A friendly user guide to let you get started quickly to extract the damaged bolts, nuts & screws with ease.Rich Accessories: Including knockout pin * 1, drill adapter * 1, extractor adapter * 1, bit holder * 1 for greater versatility.Organized Storage: A compact, heavy-duty blow mold case keeps all the extractors organized and takes your set on the go.