Heavy duty internal , Economy sealed tuning set for or Jazz . Fits for 13.5mm hole Color: Black Great replacement for the old, broken tuning pegs. Essential accessory of a , perfect for you! Includes 4pcs(2R2L) tuners. Mounting screws, ferrules and threaded bushings are included. Replacement / Upgrade parts for electric Jazz or instruments. - 1:22. finer tuning and greater stability. They are mainly made of durable hard alloy material, and great for 4or5 strings tuning. They are quality sealed machine heads which are used to tune up your ,Also great replacement for your broken or old tuners! With heavy duty internal .. Smooth and shiny, wear-resistant, anti-corrosion, and dust-proof, quick and tuning. Beautiful shape will make your more attractive, help you be more confident in a show. material: metal Package Contents: 4 x tuning pegs(2R2L) 4 x Ferrules 4 x Screws 4 x washers Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.