★ Diverse Sizes - 15 pieces 3/8 inch drive nuts or bolts extractor set. Included 13 pcs nut extractors: 1/4", 5/16"(8mm), 3/8", 10mm, 7/16"(11mm), 12mm, 1/2", 13mm, 9/16"(14mm), 5/8"(16mm), 17mm, 11/16", 3/4"(19mm).1 Pcs 1/4" extractor extension(6.5cm) and 1 Pcs Extractor Rod(9cm). Which you can do the work with more flexibility and ease. ★ Durability: Made of high hardness Cr-Mo (chrome-molybdenum) steel, providing excellent durability and long life, corrosion resistance, and not easily damaged. The peeled bolt extractor is clearly laser etched for easy identification and use. ★ Professional Spiral Design: With six contact points and internal reverse spiral. The spiral pattern design can provide sufficient gripping force to facilitate removal. The more you rotate, the tighter the socket clips. No more slippage, no joint breakage. ★ Easy to Removal: The easy out bolt extractor set for lug nut, bolts, nuts & screws parts tools. It will allow you to easily remove damaged, peeled, rusted, rounded-off, or frozen all types of fasteners. Well worth having! ★ UYECOVE Service: If the product has quality problems, we can replace or refund it. If you have any product issues, we're very happy to help you solve the problem within 24 hours. 15-Pcs Bolt Extractor Set, 3/8'' Drive Easy Out Bolt Extractor Set, Stripped Bolt Remover Nut Extractor Set for Damaged, Frozen, Rusted Sockets, Rounded-Off Bolts, Nuts & Screws