Biljax portable staging is a unique staging system that is adjustable in width and length as well as height, making them perfect for all kinds of applications. Let our professional event consultants help you design the perfect stage for your event. Combine 4×4′ Bil-jax pieces to make any size stage, platform, runway or risers. Add pieces to change the direction of the stage. Adjust the legs to any height up to 36″ with our adjustable legs.