Check the listing for details. Classical Guitar Machine Heads String Tuning Pegs Tuners Tuning Key 3L 3R Chrome. Color: Chrome, Condition: New. Listed at 12.99 USD. Oletone Classical Guitar Tuning Pegs Machine Heads Tuning Keys Tuners Single Hole 3L 3R Chrome Product Description Chrome plated surface with White plastic buttons, ideal for classical guitar Post spacing: 1.38inch (35mm); Shaft diameter: 0.37inch(9.4mm); Shaft length: 1.22inch(31mm); The overall length is 4.33inch(110mm) Gear ratio: 1:14, Metal material, heavy duty internal gear and standard size 3 Machine head in a line, 2 pieces tuning keys, one is for left, the other one is for right Ideal to replace your old and dirty tuning pegs and great for guitar tuning Specification Color: Chrome Material: Metal & Plastic Package size: 14 x 16cm/5.51 x 6.3in Package weight: 130g/4.58oz Installation diameter 9.4mm/0.37inch Ratio 1:14 Geared Location: 3L/3R Package Include 3 x Right Guitar machine heads 3 x Left Guitar machine heads 8 x Screws 100% Brand new, never used Note Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm Please check all the photos in detail and confirm the size before buying