Feature: 1. [Extractor Set] This set includes 13 nut extractors ranging in sizes from 1/4 to 3/4 inch, providing a versatile solution for removing damaged or stripped nuts and bolts with ease. 2. [Convenient Extension Rods] The set comes with a 1/4in extension (6.5cm) and a extractor rod (9cm), suitable for various work scenarios. 3. [Efficient Bolt Removal] Effortlessly disassemble damaged, stripped, rusted, rounded, or seized fasteners using these extractors, tackling a wide range of fastening challenges effectively. 4. [Sturdy Construction] Made from high hardness Cr Mo steel, these extractors are erosion resistant, less prone to damage, ensure durability and long service life. 5. [Portable Storage Box] Equipped with a storage box, this extractor set offers easy portability, keeping all pieces securely stored and accessible for whenever they are needed. Specification: Item Type: Bolt Extractor Set Material: Cr Mo Steel Specification: 3/4in 19mm, 11/16in, 17mm, 5/8in 16mm, 9/16in 14mm, 13mm, 1/2in, 12mm, 7/16in 11mm, 10mm, 3/8in, 5/16in 8mm, 1/4in . Package List: 13 x Bolt Extractor Set 2 x Extension Rod 1 x Storage Box