6 Piece Screw Extractor Set - 3/8" Sq Drive - Reverse Spiral Design - ChromolyOverview: Designed to remove broken bolts and studs without damaging the casing. Manufactured from heat treated Chrome Molybdenum steel. Reverse thread spiral design for maximum grip, with recommended drill bit size (for pilot hole) etched on each extractor. Suitable for use with 3/8''Sq drive ratchets. Supplied in storage case.Features: Designed to remove broken bolts and studs. Heat treated Chrome Molybdenum steel. Reverse thread spiral design for maximum grip. Suitable for use with 3/8''Sq drive ratchets. Contents: 2, 3, 4, 6, 8, 10mm. Supplied in storage case. Specification: Contents - 2, 3, 4, 6, 8, 10mm Net Weight - 0.59kg Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help.Alias: ys01870