Features: Steel is hardened, high hardness, toughness, strong wear resistance, long durability. Easy to remove damaged screws, suitable for 5-18mm screws. Effective solution for broken head screw, screw locking wire, stopped screw, rusty screws.5pcs/6pcs set, with different specifications, which can meet your different needs. Compact size, lightweight and portable, easy to carry and store, convenient to use. Description:Color: as shown in the pictureSize: as shownMaterial: MetalPackage Included:Style 1: 5pcs*screw extractorStyle 2: 5pcs*screwdriver, 1pcs*conversion tipInstructions for use:1. Select a screw remover that is smaller than the damage screw. Use a drill bit to rotate the hole deep enough in the center of the screw head. Note: The deeper the hole, the easier it is to remove the screw.2. Remove the screw remover, then flip the screw extractor3. The hand drill rotates slowly counterclockwise to drill, but do not use high speed drillingNotes:1 ) : please allow 1 - 2mm error due to manual measurement2 ) : due to different display and light, the pictures may not show the actual color of the item, thank you for your understanding