Screw Extractor Set, Extractor Type Hex Head Multi-Spline Screw Extractor, Number of Pieces 10, Drill Size 1/8 in to 13/32 in, For Screw Type Socket, For Bolt Size #12, 1/4 in to 3/4 in, Material - Machining Carbon Steel, Container Type Plastic Case, Drive Size 1/2 in, Drive Type Hex