Thank you for viewing. These are locking tuners made by GOTOH. I purchased these as replacement parts when the tuners on my Jazzmaster were damaged. The 1st string tuner, which has a yellow-green sticker on the back, is broken and unusable. The other tuners are not damaged and have no noticeable scratches or damage. Instead of installing them as a set, how about using them for repair parts, etc.? We look forward to your purchase. - Brand: GOTOH - Model Name: SD91MGN - Color: Nickel - Included items: Mounting parts