Tune o Matic Bridge Chrome with chrome thumbwheel posts. Individual adjustable intonation screws held by a single retainer wire. 2 1/16 string spacing 2 29/32 post spacing (Standard)

Tune o Matic Bridge Black with black thumbwheel posts. Individual adjustable intonation screws held by a single retainer wire. 2 1/16 string spacing & 2 29/32 post spacing (Standard)

Tune o Matic Bridge Gold with gold thumbwheel posts. Individual adjustable intonation screws held by a single retainer wire. 2 1/16 string spacing  2 29/32 post spacing (Standard)