Boston's 88-CL bass guitar tuners come chrome-plated and are compatible with various models, including many J-style and P-style basses.
The Boston 86-CL machine heads are a great choice if you want to improve your bass guitar's tuning stability. They're highly reliable and available at a very reasonable price.
Are your tuning mechanisms in need of replacement? This Boston 92-CLR tuning machines set provides the solution, as they are extremely reliable and ensure a clean adjustment of your strings.
If your bass guitar detunes faster than you like, this Boston 88-CLR tuning machines set offers the solution. Rock solid and affordable as you would expect from Boston.