Please pay attention to the size of the item before you buy. Please refer to the size chart These are sets of 4 right Mandolin tuning two baseplates with white knobs. 8 screws and bushings included. These 4 right Mandolin tuning pegs come with durable internal gear great for Mandolin instrument. &; Description: 4-right Mandolin tuning two baseplates With white knobs Mandolin instrument Durable internal gear Material: Nickle plating steel Color: with pearl button 4 tuning peg length: Approx. 11cm Diameter: . 6mm Post spacing: Approx. 2.5cm Package Includes: 8 x Mandolin tuning pegs 8 x Mounting screws 8 x Bushings