Thank you for viewing. This is a SUZUKI VIOLIN contrabass machine head (tuning pegs, string winders, pegs) with gold plating. The posts for winding the strings are also made of metal. It has engraved decorations and is of a higher grade than the standard version. There is some rust on the posts. Please check the images. The post pitch is approximately 88mm on the high string side and approximately 91mm on the low string side. Please check your contrabass or upright bass before purchasing. This listing is for the machine head only. If you are nervous or have few sales records, please be sure to check the profile before purchasing.