General description The Set of 10 Left Hand Screw Extractors and Drill Bits is an essential tool kit designed for efficiently removing damaged and bare screws. Made from premium high-speed steel, this kit offers high hardness, wear resistance, and heat resistance, making it a reliable choice for various applications. Technical specifications Material: High-speed steel with metal case Weight: 0.311 kg Dimensions of metal case: 23.5 x 10.5 x 2 cm Screw extractor sizes: EX-1, EX-2, EX-3, EX-4, EX-5 Cobalt drill sizes: 5/64, 7/64, 5/32, 1/4, 19/64 Compatibility and accessories Suitable for manual drilling rigs, electric hand rigs, drilling and milling machines Compatible with Allen screws, hex bolts, machine screws, wood screws, sheet metal screws, and other screws Includes 5 spiral screw extractors and 5 cobalt drills Comes with a metal index case for easy storage Installation Drill a hole using the cobalt drill Use the corresponding screw extractor to remove the broken screw Usage Ideal