Set of four bass tuning machine bushings. Used on most Mexico series basses. Fits standard and Deluxe Series (Mexico), and American Special (US) basses manufactured from 2001-Present. We measured .721" across the splines, .825" diameter at the upper lip, .559" inside diameter, .353" height overall. Brand New. Genuine Fender 0051532049. UPC 717669612764. Photo may not reflect current Fender packaging.