S s tools [india] pvt ltd distributes unoair pneumatic tools in india. These are popular for assembly requirements, automobile garage tools [bikes, cars, trucks, tractors and heavy duty vehicles]. They are popular for their better-cost performance ratio, better quality and longer operation life. The impact wrenches come in wide range of different models 3/8", 1/2", 3/4", 1", and 1 ½" square drive to meet variety of application required. They are available in compact, lightweight and ergonomic design for easy operation. They have features like: rear exhaust from grip-end directs air away from the operator, feather touch trigger/lever for safe working, and built in air regulator to make easy adjustments. These tools consist of good cost to performance ratio as well as good operation life. Indian automobile parts manufacturers, engineering industries and automobile garages, already use these tools. These wrenches are designed with different mechanisms to make use of it for every application. These mechanisms includes single hammer, double hammer, pin clutch, dyna pact clutch. The implemented technology not only allows instantaneous balanced blows, also reduces vibrations and transfer more torque to the drive end of the anvil than any other mechanism in the market.