Manufacturer: Yamaha Overall length: 134mm Threaded portion: 39mm Thread size: 7/32 inch These are Yamaha tension rods, likely from the 80s. They have a distinctive bulging shape in the middle, making them a relatively decorative part. They are in good condition, with minor scratches but no plating loss or significant rust. 16 pieces are available, so they are perfect for custom builds or as stock replacements.