Features 1、Remove Damaged Accessories: This set can be used to remove damaged studs, bolts, hex screws and accessories, very practical 2、Extra Grip: Adopt radical left handed spiral design, provides extra grip, more efficient to use 3、Easy out Spiral Groove: Easy out spiral groove embedded in itself to increase grip as resistance increases 4、Engraved with Size: Each tool is engraved with the extractor size and recommended drill size, easy for you to use 5、Easy to Carry: Made of good quality materials, durable. Equipped with a metal box to collect tools, easy to carry Specification Item Type: Screw Extractor Drill Bit Set Material: Cobalt alloy Purpose: Screw extractor Extractor Model: EX-1, EX-2, EX-3, EX-4, EX-5 Drill Size: 5/64in, 7/64in, 5/32in, 1/4in, 19/64in Package List 5 x Drill Bit 5 x Screw Extractor 1 x Iron Box