APPLY TO ALL DRILLS - With the 5 extractor bits included in this set, you will be able to extract almost any damaged, stripped, rusted, painted or rounded screw or bolt in SECONDS! This set comes with the following bit sizes: #0, #1, #2, #3, #4. HIGH QUALITY - This damaged screw remover tool kit is made from High-Speed Steel H.S.S 4341# , which have high hardness of 65hrc, it's durable and easily to remove any damaged screws. EASY TO USE - Just two simple steps to get the job done - drill a hole with a cutting size using the right size screw extractor and easily remove the screw or bolt using the removal tool Hardness 63-65HRC: Titanium hardened steel material, more durable than most screw extractors on the market, better hardness and durability than others, buy with confidence and complete peace of mind. WORKS WITH ANY DRILL - The Damaged Screw Extractor works with any drill on any screw or bolt.With our dynamic set of extractor drill bits, removing stripped, painted over, rusted or rounded screws & bolts has never been easier or more efficient! INCLUDES DURABLE CASE - The Damaged Screw Extractor comes with a durable case, keeping all extractor bits nice and tidy. Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. The color may vary depending on the monitor, please understand. Attention: Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly