A great replacement for a typical tune-o-matic bridge. These bridges use rotatable wheels upon which the strings sit. This prevents the strings from getting caught behind the saddle - which leads to tuning instability. Especially useful on guitars particularly prone to this (for example Bigsby equipped guitars).
Dimensions:
Length: 89mm
Width: 16mm
Height: 12mm
Length between the mounting posts (center to center): 74mm
Diameter of posts (embedded in guitar): 8mm