Robust carbon steel material[71.2 Nm Maximum Torque] Our wrench is suitable for impact and pneumatic wrenches, which can withstand a maximum torque of 53 ft-lb (71.2 Nm). Size and flexibility[Durable Carbon Steel Material] Our offset extension wrench is made of durable carbon steel with fine polished chrome plating and is surrounded by a protective plastic sleeve. The 0° pivot arc makes it easier to reach tight fasteners. The combination of chain drive mechanism improves smooth operation and durability. 71.2 Nm maximum torque[With 4 Drive Adapters] The package includes 1 extension wrench and 1/4-inch, 3/8-inch and 1/2-inch square drive adapters and 1/4-inch drill drive adapters. It expands versatility and compatibility. With 4 drive adapters[Size and Flexibility] The length of the extension wrench is 15.4 inches (390 mm) and has a very slim profile at only 0.63 inches.The extended drive shaft and thin sleeve make it easier to operate in tight spaces and provide more flexibility. Wide application[Wide Application] Our extension wrench is suitable for dealing with hard-to-reach, stuck fasteners. It can be used on water pump, power steering pump, alternator, air conditioning compressor, transmission or starter motor and more.This tool will help you find the fasteners you need.