Black 6 string electric guitar Tune-o-matic stye bridge B19, B20, B21

YOU ARE BUYING ONE BRIDGE B19, B20 or B21
PLEASE STATE WHICH BRIDGE YOU WOULD LIKE FROM THE DROP DOWN MENU

B19  6 string Tune-o-matic bridge. Size 84 x 11 x 9mm with 4.3mm diameter mounting holes. Post spacing 73.5mm

B20  6 string Tune-o-matic bridge. Size 84 x 11 x 9mm with 6.3mm diameter mounting holes. Post spacing 74mm

B21  6 string Tune-o-matic bridge Size 84.5 x 14.5 x 9.2mm with 6.3mm diameter mounting holes. Post spacing 73.5mm

They all come with height adjusters and anchors except the B19 which just comes with the THUMB WHEEL height adjusters.