Screw Extractor Set Extractor Type Spiral Flute Screw Extractor and Drill Bit Number of Pieces 35 Drill Size 1/2 in 1/4 in 1/8 in 11/32 in 13/32 in 15/32 in 19/64 in 3/16 in 3/8 in 5/16 in 5/32 in 5/64 in 7/16 in 7/32 in 7/64 in 9/32 in For Screw Type Socket For Bolt Size #3 to #12 1/8 in to 3/8 in BSP 1/8 in to 3/8 in NPT 3/32 in to 15/16 in Material - Machining Carbon Steel Container Type Plastic Case Drive Size 1/2 in and 5/8 in for Multi-Spline