[SKU:KD-3-NPK]
Specifications:

Gear ratio= 15:1
String Post length= 1 inch
String Post Diameter= 1/4 inch
Material= Stamped Steel

Historical Information:

1956 – 1959 Gibson ES-175
1956 – 1959 Gibson Les Paul Standard
1959 Epiphone Crestwood Custom
1959 Epiphone Broadway
1958 – 1959 Gibson ES-335
1958 – 1959 Gibson EDS-1275 Double 12/6 double neck (3 sets needed)
1958 – 1959 Gibson EMS-1235 Double Mandolin 6 string guitar/mandolin double neck (2 sets needed)
1959 Gibson EB-6
1956 – 1959 Gibson J-160E
1952 – 1959 Gibson J-185

Uses Kluson Bushings MB65N US (Nickel) or MB65G US (Gold)

Outside diameter = 8.85mm
Inside diameter = 1/4 inch or 6.48mm