The Bigsby B60 is the budget (cheaper) version of the Bigsby B6 (long plate with no tension bar).
Bigsby B60 Vibrato
Bigsby B60 Vibrato Tremolo Tailpiece for Large Body Archtop Guitars (Aluminium)
Bigsby B60 Vibrato Tailpiece with Tremolo Bar, Gold
Vintage Bigsby True Vibrato Tailpiece Model No B7 Left Handed Box Instructions
Bigsby USA B12 Vibrato Tailpiece for archtop solid-body and semi-hollow guitars
