Features This damaged screw extractor is made from quality high speed steel material, which is sturdy and durable. The damaged screw extractor is also reusable, efficient and high temperature resistance. A variety of specifications can be selected to meet the needs of different work scenarios, giving more convenience. This broken screw remover is great for stripped, broken, stuck or damaged and screw removal. Suitable for hex socket bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws and other screws. Specification: Item Type: Damaged Screw Extractor Material: High Speed Steel Specifications: Reverse Edges Bit: Dr# 1-dr #10 Extractor: Ex#1-Ex#10 Drill: Ph0, Ph1, Ph2, Ph3, 4mm, 5mm, 6mm, T15, T20, T25 Purpose: Remove Damaged Screws and Bolts Application Scenario: Suitable for Hex Socket Bolts, Machine Screws, Lag Bolts, Wood Screws, Hex Bolts, Sheet Metal Screws and Other Screws. Package List: 1 x Quick Bit Holder 1 x Bit Holder 1 x ADP 10 x Reverse Edges Bit 10 x Extractor 10 x Drill Note: You'd better install them on the electric hand drill (suitable for basic electric hand drill) instead of hammer drill when stripping the damaged screw. in addition, must be reverse use in the whole process and in low speed and reverse use, or you'll get hurt. Package List 1 x Quick Bit Holder 1 x Bit Holder 1 x ADP 10 x Reverse Edge Bit 10 x Extractor 10 x Drill