Screw Extractor Set Extractor Type Hex Head Multi-Spline Screw Extractor Number of Pieces 25 Drill Size 1/8 in to 7/8 in For Screw Type Socket For Bolt Size #12 1/4 in to 1-1/16 in Material - Machining Carbon Steel Container Type Plastic Case Drive Size 1/2 in 3/4 in 5/8 in 7/8 in Drive Type Hex