Features: Experience precise threading with our high accuracy tap wrench chucks set featuring 3/8" drive and 65mm extension, engineered with carbon steel for superior durability and smooth ratcheting operations in confined spaces. The combination of a carbon steel construction, ergonomic handle grip, and bidirectional ratcheting mechanism ensures fatigue resistant performances during prolonged threading tasks while maintaining dimensional stability. Ideal for professional mechanics and DIYer enthusiasts requiring reliabled tap & die tools for metalworking projects, from industrial maintenance to home workshop applications. Tackle intricate threading jobs effortlessly in automotive repair shops or household plumbing scenarios, where compact ratcheting socket chucks prove essential for accessing tight engine compartments or pipe fittings. This versatile tap holder set solve compatibility challenges, serving as indispensable carbon steel tool for both workshop benches and mobile repair kits. Specifications: Component: Carbon steel Dimensions: Ergonomic design, easy to hold and operate. Package Includes: 1 Set Tap Wrench Socket Chucks note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.