Applicable scenarios: Offset Extension Wrench is specially designed to handle hard to reach fasteners and is suitable for repair work in narrow placesSteel material: Impact Wrench Extender Tool is made of steel, is firmly fixed, and saves laborChain drive: Offset Extension Wrench chain drive structure has stable performance and rotates the nut at a 1:1 ratio for easy connectionStrong compatibility: Tight Reach Extension Wrench is suitable for impact wrenches and air wrenches, can withstand up to 53 ft/lbs of weight, and supports 71.2 NmSet contents: 1 extension wrench, 6 adapters (1/2 inch, 3/8 inch and 1/4 inch square drive adapters, 1/4 inch socket, 1/4 inch and 1/2 inch ratchet adapters), and 2 extension rods (6 inch and 10 inch extension rods) Specification: Material: Steel Size Chart: Wrench 39cmx3.8cm/15.35inchx1.50inch Package Includes: 1 Extension wrench6 Adapters2 Extension rods Note: Please allow slightly errors 1-2 cm differences due to manual measurement