Handwound Mini Humbucker Side Mount 12 Pole - Metal Cover Option:Black This version with the plastic

This version with the plastic keystone button would have been used for 1950's date range production

These bushings have a 5/16 in

They have a 1:14 gear ratio

It's easy to see why a lot of the big named acoustic guitar companies are switching over to Tusq

Handwound Mini Humbucker Side Mount 12 Pole - Metal Cover Option:Black This version with the plasticThe 12 adjustable poles in this pickup allow for perfect balance, b string too loud? No problem, just lower the pole pieces away until you get an even sound across the strings. With 43 AWG and an alnico magnet, this pickup has a greatly improved designed over the original Johnny Smith endorsed Gibson's introduced in the early 1960's.