Vintage 3 on a Plate 3x3 Guitar Tuning Keys Tuners for Lp Sg Jr Nickel w/ Ivory Nickel w/ Ivory Vintage 3 on a Plate 3x3 Guitar Tuning Keys Tuners for LP SG JR. Brand new, never used. Color: Nickel with Plastic Ivory Buttons. 3 on a Plate tuners with 6mm string through Posts. Plate overall length: 102mm. Center to center distance between posts: 35mm. Bushing diameter: 9mm. Gear Ratio 1:15. The item fits 8.5mm to 9mm vintage smaller tuner holes, but not modern 10mm tuner holes.(Please be sure to check the dimensions before you order the item). Great Quality tuners. Package Includes: 3 on a Plate Left Tuners x 1. 3 on a Plate Right Tuners x 1.