2 Spanner Extension Wrench Set. Rugged and Durable : offset extension wrench is made of high carbon steel with built-in high strength specialised chain, which is easy to use and can greatly improve the working efficiency.

By using a 1:1 transmission ratio and rotating the nut at 0 degrees, it is easy to engage the fastener from one side. This set of offset extension wrenches is specifically designed for tackling hard-to-reach fasteners.