YT-1247 is an extension with a ball for a wrench from TM YATO. Such extension cords are designed to work together with all kinds of mechanized percussion tools in the process of various plumbing and installation work. Extensions make it possible to contact with structural elements that are removed or recessed in hard-to-reach places. For this, the extension cord has a special shape and principle of operation, transmitting torque with a shock, due to which the desired result is achieved. The extension is 127mm long and its connection square is 1/2 inch. The fixture is made of high quality chrome vanadium steel and is durable and wear resistant.