General description Sealey AK719 Square Type Screw Extractor Set includes five pieces designed for effective removal of damaged screws. Manufactured from high-grade heat-treated alloy steel and heat-treated Chrome Molybdenum steel, this set is built for durability and longevity. The square section design aids in the removal of extractors from screws, ensuring a reliable grip. The set is conveniently supplied in a storage tray for easy organization. Technical specifications Model No.: AK719 Material: High-grade heat-treated alloy steel and heat-treated Chrome Molybdenum steel Finish: Chemically blackened for corrosion resistance Lifetime guarantee* Other information