THINKWORK Damaged Screw Extractor Set, HSS 6542 (68 HRC), 24-Piece Easy Out Bolt Extractor Set, Stripped Screw Remover for Removing Damaged, Frozen, Rusted, Rounded-Off Bolts, Nuts & Screws - HSE24

• Premium Quality: Each damaged screw extractor is made of high hardness high-speed steel 6542 with 68 HRC max Rockwell hardness, and double times price higher than the HSS 4341, just for the superior durability. Rich Accessories: Besides getting extractor & bit adapter * 1, bit holder * 1, Y type hook driver * 1, you can also get the M35 high hardness drill bit with 69 HRC max Rockwell hardness for greater versatility. Easy to Use: A friendly user guide to let you get started quickly to extract the damaged bolts, nuts & screws with ease. Wide Applications: The stripped screw extractor set includes 20 pieces of stripped screw extractor in 10 different sizes to meet all your demands, such as Allen bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws, and other screws. Organized Storage: A compact, heavy-duty blow mold case keeps all the screw extractors organized and takes your set on the go.