This page has Ukulele and Dulcimer tuners as well as some Grover guitar  tuners. There are Gotoh tuners for ukulele on the Gotoh Page

JC 59ni

12 string tuners, 6 on a plate, 6x6 Best lightweight tuner for a 12 string. Smooth gears 14;1 Nickel finish Scalloped post 1" length 
 Plate is 6.25" long

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J101 profile tuners

Closed back tuner . 16;1 ratio Nickel finish bushing nut threads into housing below .
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Profile Classical J59n

Lyre style plate Nylon string, slotted head tuner 14;1 ratio
Affordable Pearloid buttons

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132C bass tuners Grover ni.

Bass tuners 2x2 open back 24;1 ratio

nickel 1 ONLY

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Locking tuners Grover Gold
1 set only ! locking tuners for an electric guitar  Heavy for more sustain . 3r 3 l  16;1 ratio drill 25/64" hole
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Grover 708 N straight post

Straight post for Slotted head. on a dulcimer or ukulele
 1.25" long,  double holes for choice and flexibility. nickel only 14;1ratio
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Grover ukulele tuners 8N
This tuner is for post head  Ukulele. They have a scalloped post !' length for a thicker head stock. 14;1 ratio. nickel  or gold, The buttons are metal Individual mounted with 2 screws.
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