This is an M193 GT-OD overdrive made by MXR Custom Shop. It was kept as a spare and has only been tested at home. The condition is excellent, with no signs of use, dirt, or major damage. The original box, manual, warranty card, and unused rubber sheet are included. The item has been tested for operation and has no scratchy noises. There are no smokers or pets in the household, but please understand that this is a personal item. As this is also being sold on other sites, please be sure to check for availability before purchasing. Thank you.