7 Piece Square Type Screw Extractor Set - Heat Treated Steel - Screw RemovalOverview: Manufactured from high grade heat treated alloy steel. Chemically blackened finish for resistance to corrosion. Square section aids removal of extractor from screws. Supplied in storage tray.Features: Manufactured from high grade heat treated alloy steel. Chemically blackened finish for resistance to corrosion. Square section aids removal of extractor from screws. Supplied in storage tray. Lifetime guarantee*. Specification: Contents - #1; 1/8"(3mm), #2; 3/16"(5mm), #3; 15/64"(6mm), #4; 5/16"(8mm), #5; 3/8"(9mm), #6; 15/32"(12mm), #7; 9/16"(14mm) Net Weight - 0.30kg 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: ys01766