Description: 【Function】Screw Extractor Set pulls out the broken fasteners quickly and efficiently, solving frozen, broken, stripped and damaged screws and bolts. 【Metal Material】Stripped Screw Remover Extractor Tool is made of alloy steel, sturdy and strong, heat treated, high hardness, toughness and durability 【Feature】all the size is engraved on the socket for easy identification, hex head for more torque, both for both power tools and hand tools 【Size Information】Screw remover with multi size 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2",17/32", 9/16", 19/32", 5/8", 21/32", 11/16", 23/32", 3/4", 25/32", 13/16", 27/32", 7/8" 【Application】25Pcs Screw and Bolt Extractor Set great for pulling out broken screws, bolts, studs, fittings, threaded pipes and pins, great for automotive repair, construction and home improvement. Size Chart: Storage Box approx 21cmx15cmx4.5cm/8.27inchx5.91inchx1.77inch Package Includes: 25 Pieces Screw Extractor Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.