14pcs Metric & Imperail Bolt & Nut Remover Kit cr-mo Steel Bolt Remover Tool 3/8 in Drive 6.35-19mm Screw Extractor ToolOOTDTYoottyFeatures: All Screw Extractors are precision engineered to easily extract damaged bolts, nuts and bolts, even if they are stripped, rusted or frozen. Made of high hardness chromium molybdenum steel for durability. Tight handles and does not let go, the internal thread design provides excellent torque, the more you rotate, the tighter the socket handles. 13pcs 3/8 inch driving bolt and nut remover comes with 3/4" (19mm), 11/16", 17mm, 5/8" (16mm), 9/16"(14mm), 13mm, 1/2", 12mm, 7/16"(11mm), 10mm, 3/8", 5/16"(8mm), 1/4" and hex adapter. Specification: Material: cr-mo steel Size: 3/4" (19mm), 11/16", 17mm, 5/8" (16mm), 9/16"(14mm), 13mm, 1/2", 12mm, 7/16"(11mm), 10mm, 3/8", 5/16"(8mm), 1/4" and Hex Adapter Drive: 3/8" Square Drive Package Included: 13x Bolt & Nut Remover1x Hex AdapterNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.