Screw Extractor Set, Extractor Type Spiral Flute Screw Extractor and Drill Bit, Number of Pieces 12, Drill Size 1/4 in, 13/32 in, 17/64 in, 5/32 in, 5/64 in, 7/64 in, For Bolt Size #8 to 1 in, Material - Machining Carbon Steel, Overall Length 2 in, 2-3/4 in, 2-3/8 in, 3 in, 3-3/4 in, 3-3/8 in, Container Type Pouch in Tube, Drive Type Square