The Schaller STM bridge with roller riders is a 3-dimensionally adjustable replacement bridge for LP-style guitars.
In addition to the string height and intonation, string spacing can be achieved using rollers mounted on a thread between. 48.5 and 57.5 mm can be individually adjusted.
Bolt spacing 74 mm, hole diameter (underside) 4.2 mm.
Incl. 1 pair of M5 height adjustment screws and drive-in sleeves.