Screw Extractor Set, Extractor Type Spiral Flute Screw Extractor, Number of Pieces 4, Drill Size 17/64 in, 23/64 in, 31/64 in, 39/64 in, For Bolt Size 9/16 in to 1 1/2 in, Material - Machining Carbon Steel, Overall Length (2) 3-3/8 in, 3-3/4 in, 4-1/8 in, Container Type Pouch in Tube, Drive Type Square