The Faber Wraptonate is a wraparound tailpiece that fits the standard Gibson 3 1/4" tailpiece spacing (82.6 mm). It features individually intonatable brass saddles and in addition there are allen/hex screws behind the bridge posts that can be adjusted to move the whole bridge backwards and forwards and also slant it to add more intonation room to heavy bass strings. We supply the bridge with a choice of two different post threads, metric and imperial, the imperial version has Gibson 5/16-24 threads used on Gibson USA guitars, the metric version has 8 mm threads used on 'import' guitars made in Japan and across Asia (Epiphone, ESP/LTD, Schecter etc).