8 way upright extrusion Exhibition booth,trade show booth,display stand Upright extrusion have 8 angle to connect with the beam. 1.Widely used with exhibition booth 2.material:AL 6063T5 3.Lenght:2480,5000, 6000mm, custom size 4.Most competetive price 5.surface treatment:silve anodized or coating 6.IS0 9001:2000 certificate. Carton or pallet.