1. This Bolt Extractor Screw Extractor and drill bit set is suitable for removing most of stripped, damaged, freeze or rusted fasteners including bolts, nuts and screws. Right-hand drill bits can be used to drill holes on wood, metal, plastic and brick, etc. It is important to note that this drill cannot be used on stainless steel. 2. Bolt & screw remover are all crafted from rust-resistance with heat treatment. Drill bit set with classic HSS construction for durability and capability. 3. The stripped bolt removal kit nut splitter can be used with most tools such as impact wrench, air ratchet, hand ratchet or breaker bar. Remove stripped, rusted, nuts and bolts with these Metric bolt nut extractor sockets. perfect for professional handymen, car and boat mechanics, building contractors, , and homeowners. 4. 26 pieces tools are all packed in a rugged, compact carry case for storage and portability. Each tool fits snugly into its respective place to prevent moving around and scraping. 5. This is a 3-in-1 screw & nut remover kit and drill bit kit. Multiple specifications and sizes to meet your various work needs. Material: steel colour: blue+Silver Package Contents: 13 x nut removers 6 x HSS drill bits 6 x spiral screw extractors 1 x hex impact grade socket adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.