This is a genuine SONY DM-736 Tension Adjust Jig, designed as a specialized tool for vintage audio and video equipment. The jig is labeled with the part number 1-625-736-0A and is indicated to be compatible with "DVR 28" models, as handwritten on the original packaging. This professional adjustment tool is essential for precise tension settings in compatible SONY devices, ensuring optimal performance.

This listing includes all components pictured, housed within its original SONY branded cardboard box with a protective Styrofoam insert. The set comprises the main black metal bracket with two rollers, a cylindrical metal weight marked "42", a small metal piece with a hook and string, a small brass cylinder with string, a threaded metal pin, and a small curved metal piece. All components are of original equipment manufacturer (OEM) quality, made in Japan, reflecting SONY's commitment to precision and reliability in their vintage electronics.