The sealey 56 piece master nut, bolt & screw extractor set is a comprehensive extraction toolkit designed for removing damaged, seized, or stripped fasteners across a wide range of professional and workshop applications. Manufactured from hardened chrome molybdenum steel, this master set provides the durability and strength required to tackle the most challenging extraction jobs. The internal thread design features reverse spiral flutes that provide superior grip on damaged bolts, delivering excellent torque even on fasteners that are rusted, worn, painted over, or completely stripped. This makes it an essential addition to any mechanic's toolkit, maintenance workshop, or engineering facility. The set's versatility is enhanced by the inclusion of standard 1 4 and 3 8 square drive hex adaptors, allowing you to use the extractors with hand tools, air tools, or power tools depending on the job requirements. Three reversible knock-out pins are included for easy removal of damaged bolts and nuts once extracted. The comprehensive 56-piece collection includes dedicated nut and bolt extractors covering both metric and imperial sizes, a 25-piece screw extractor set spanning 1 8 to 7 8 , spiral flute extractors, and hss drill bits for preparation work. All components are supplied in a durable storage case for organised transportation between job sites and secure workshop storage. Features and benefits: chrome molybdenum hardened steel construction for long-lasting durability revers...