Features INCLUDED TOOLS: This tool kit includes screw extractors, screwdriver drill bits, bit holder, and socket adapter to meet various repair needs. APPLICATIONS: For hexagonal and square head bolts, mechanical screws, sheet metal screws, etc., with multiple sizes to meet more needs. HIGH SPEED STEEL: The screw extractor kit is made of high speed steel, with high hardness, wear and impact resistance, has a long service life. EASY OPERATION: Paired with bit holder and socket adapter, easily remove broken, damaged or stuck screws, which is efficient and practical. STORAGE BOX: These tools are stored in a storage box, providing stable support and good protection, and can be carried around with you. Specification: Item Type: Screw Extractor Kit Product Material: High Speed Steel Use: Used for household, telecommunications, automotive, or mechanical maintenance work Package List: 10 x Screw Extractor 10 x Screwdriver Bit 1 x Extended Bit Holder 1 x Socket Adapter 1 x Storage Box Package List 10 x Screw Extractor 10 x Screwdriver Bit 1 x Extended Bit Holder 1 x Socket Adapter 1 x Storage Box