This 15pcs screw extractor set removes broken bolts, stripped screws, and damaged fasteners quickly. It combines chrome-molybdenum steel extractors with HSS titanium-coated drill bits for efficient pilot drilling and reverse removal. Ideal for workshops, garages, and DIY repairs, the kit comes in a compact hard case for organised storage. Features: Heavy-Duty Performance: Spiral extractors grip damaged screws/bolts firmly for reliable reverse removal. Dual-Material Kit: Chrome-molybdenum extractors + HSS titanium-coated drill bits for durability. Multiple Sizes: Covers 3-18mm (0.118-0.708in) extraction range for common fasteners. Organised Storage: Hard case keeps pieces separated and easy to find. Centre Punch Included: Helps start drilling accurately, reducing bit wandering. Specifications: Type: Screw extractor set / broken bolt removal kit Pieces: 15pcs Materials: Chrome-molybdenum steel extractors; HSS titanium-coated drill bits Extraction Range: 3-18mm (0.118-0.708in) Case Size: 14×10cm (5.51×3.94in) (allow 1-3cm size variation) Colour: Red (colour may vary slightly due to lighting/production) Package Includes: 7 x Screw extractors (3-8mm assorted) 7 x Drill bits (1/8-19/64 assorted) 1 x Centre punch (1/4/6mm) 1 x Red storage case Note: Drill a straight pilot hole first; keep the bit centred and perpendicular. Use low speed and steady pressure; add cutting oil for cleaner drilling. Turn the extractor in reverse only; avoid excessive force to prevent breakage. Wear eye protection and gloves during use. Size may have 1-3cm error due to manual measurement. Colour may differ slightly from images due to lighting.