A Tommy bar is a tool that can be used to apply torque to nuts and bolts. It can be inserted into a hole or slot in the head of a nut or bolt and then turned to loosen or tighten it. This tommy bar from AFTOOL is made of durable steel that can withstand high pressure and force. It has a hexagonal shape that prevents it from slipping or rolling when in use. It is 450 mm long and 19 mm thick making it easy to handle and versatile for different applications. Some of the benefits of using this tommy bar are: - It can help you loosen or tighten nuts and bolts that are hard to reach or stuck. - It can increase your leverage and reduce the effort required to turn nuts and bolts. - It can prevent damage to the head of the nut or bolt by distributing the force evenly. - It can be used with other tools such as spanners or sockets to enhance their performance.