The BOSS Super Overdrive SD-1 provides a warm overdrive sound, adding depth to your guitar playing. - Brand: BOSS - Model Name: Super Overdrive SD-1 - Color: Yellow - Accessories: Box Thank you for viewing. I am selling this because I no longer use it. I have only used it a few times at home and it is almost like new. There is no scratchiness. It has a 5-year warranty.