Features: Crafted from high speed steel with high temperature quenching, this screw extractor set offer 50% longer lifespans than regular steel, ensuring sharpness edges for tackling dameged or cracked screws effortlessly. Triple surfaces treatments – sandblasted silver, nitrided black, and coated gold – enhances corrosions resistance and smooth operations across humid or high heat workspaces. Designed for hobbyists and professional mechanics needing solution for fasteners in automotive repairs or home maintenance projects. Tackle stubborn 3mm 15mm screws in confined engine bays, workshop machinery, or household furniture repairs using the reversible double head time saving design. Deepened quenched serrations prevent slippage during extraction, while the compact size fits standard toolkits for instantly access during emergencies repairs. Specifications: Component:Steel Color:Silver,Gold,Black Package Includes: 5Pcs Damaged Screw Extractor note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.