Advantage: Damaged bolt screw extractor can easily and quickly remove broken or rusted screws, bolts and studs. Material: Forged from premium chrome vanadium steel, with heat treatment, anti-rust and solid. Size: Puller size and recommended drill size are engraved on each tool. Extractor size: 4.0mm 4.5mm 6.5mm 7.5mm 11.0mm 15.0mm 20.0mm 25mm, AppCATion range: 4-6mm 6-8mm 8-11mm 11-14mm 14-18mm 18-25mm 25-35mm 35- 45mm Use: It can be used in combination with an electric drill. Ideal screw removal tool for home use and professional electrician. Design: Designed with deep and wide threads, long service life. Product description 1. The puller can easily and quickly remove broken or rusted screws, bolts and studs. 2. Forged from premium chrome vanadium steel, with heat treatment, anti-rust and strong. 3. Designed with deep and wide threads, long life. 4. It can be used in combination with an electric drill. 5. Ideal screw removal tool for home use and professional electrician. SpeciCATion: Condition: 100% brand new Material: Chrome vanadium steel Quantity: 8pcs Weight: approx. 762g / 26.9oz Package list: Range of appCATion 4.0mm7-6mm 4.5mm 6-8mm 6.5mm 8-11mm 7.5mm 11-14mm 11.0mm 14-18mm 15.0mm 18-25mm 20mm 25-35mm 25mm 35-45mm Package list: 8 * Screw extractors