Screw Extractors 5Pc Set #1-#5 Bright Extractor Type Spiral Flute Screw Extractor Drill Size 1/14 in 17/64 5/32 in 5/64 in 7/64 in For Bolt Size #8 to 3/4 in Material - Machining Carbon Steel Overall Length 2 in 2 3/8 in 2 3/4 in 3 in 3 3/8 in Drive Type Square For Bolt Thread Direction Right Hand