Compatible With The 4 String Fender Precision Jazz Bass Guitar Are These 4Pcs The guitar tuners, bass tuners compatible with 4 strings fender precison jazz bass guitar. Tuners with plum blossom shaped button. Made of solid materials with an elegant, vintage and professional look. Easy to install, easy to replace your old or dirty bass tuning pegs. Guitar tuners, bass tuners is provide finer tuning and greater stability. Product Specification: 100% Brand New Material: Metal Color: Silver, Black(Optional) Weight: 352g Package Content: 4 x Machine Head(2L2R) 4 x Ferrule 16 x Screws Note: 1.If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem. Key Product Features. 2.Due to different monitors, there may be a little color difference. Please check the picture#2 of the size info for its compatibility.The guitar tuners, bass tuners compatible with 4 strings fender precison jazz bass guitar. Tuners with plum blossom shaped button. Made of solid materials with an elegant, vintage and professional look. Bass open gear tuning machines with heavy duty internal gear, sturdy and convenient. Color: Silver, Black(Optional). Easy to install, easy to replace your old or dirty bass tuning pegs. Guitar tuners, bass tuners is provide finer tuning and greater stability.