Item Type: Screw Extractor Drill Bit Set Material: 4241 High Speed Steel Extractor Model: EX-1, EX-2, EX-3, EX-4, EX-5 Drill Bit Size: 5/64in, 7/64in, 5/32in, 1/4in, 19/64in 1Remove Damaged Accessories: This set is used to remove damaged studs, bolts, hex screws and accessories, very practical 2Extra Grip: Drill bit adopt left handed spiral design, provides extra grip, more efficient to use 3Easy out Spiral Groove: Easy out spiral groove embedded in itself, increase grip as resistance increases 4Engraved with Size: Each tool is engraved with the extractor size and recommended drill size, easy for you to access 5Easy to Carry: Made of good quality materials, durable. Equipped with a metal box to collect tools, easy to store and carryPlease wear protective equipment when using this product to prevent the debris from splashing and hurting yourself. 5 x Drill Bit 5 x Screw Extractor 1 x Iron Box