General description 13Pcs Left Handed Drill Bit Set Extractor Bits are designed for effective drilling and extraction of screws, bolts, and studs. Featuring a 135-degree split point and twist design, these bits ensure self-centering and prevent "walking". Made from high-speed steel with a titanium nitride coating, they offer excellent durability. The special left-handed design allows for use with screw extractors to remove broken fasteners. The set comes in a convenient index box for easy carrying and storage. Technical specifications Sizes: 1/4 inch, 15/64 inch, 7/32 inch, 13/64 inch, 3/16 inch, 11/64 inch, 5/32 inch, 9/64 inch, 1/8 inch, 7/64 inch, 3/32 inch, 5/64 inch, 1/16 inch Size of storage box: 14 x 11 x 2 cm / 5.5 x 4.33 x 0.8 inch Package weight: 264 g / 9.33 oz Material: High-speed steel Color: Golden Package Contents 13 Drill Bits 1 Storage Box Other information