4-In Line Thunder Series Open Gear Chrome Bass Tuners nickel conversion bushings • Head circumference - 21

• Head circumference - 21 5/8" to 23 5/8" (54

Just pair it with your favorite bridge

things like that

Please see the attached schematic to make sure this fits your J-Bass

4-In Line Thunder Series Open Gear Chrome Bass Tuners nickel conversion bushings • Head circumference - 214 In Line Thunder Series Open Gear Chrome Bass Tuners (Right Hand) Modern, sleek and simple, these Thunder Series tuners look and function the way you need. Partially covered, open gear design. 4 in line Large cloverleaf tuning keys 22: 1 ratio Open gear Includes mounting screws and bushings Check out the spec pic for full dimensions (note all dimensions are in millimeters) Fantastic quality, made in Korea.