Feature: With white pearl plastic knobs Compatible with Mandolin instrument Durable internal gear Material: Nickle plating steel Color: Silver with offwhite pearl button 4 tuning peg length: Approx. 11cm Diameter: Apprx. 6mm Post spacing: Approx. 2.5cm Package include: 8 x Mandolin tuning pegs 8 x Mounting screws 8 x Press-Fit Bushings.