Laminated Extension Back

BXHL-(NW)(NH)
BXHL….. Extension Laminated Backs
NW…..Nominal Width 3′ or 4′
(914 mm or 1219 mm)
NH…..Nominal Height 06″ to 54″
in 6″ increments
(152 mm to 1372 mm
in 152 mm increments)