Description: Set of 6pcs plastic button tuning pegs One set machine heads for most acoustic guitars Also comes with 6 ferrules and 12 mounting screws Great replacement for your dirty broken tuners Material: Metal, plastic Size Chart: Size(LxH): Approx. 40x35mm Package Includes: 6 x Tuning Peg 6 x Ferrule 12 x Screw Note: Due to manual measurement, there may be 1-2mm error in size