RowTunnel,10ft long High Rise Hoops For grow tunnel, Plant Cover &Frost Blanket for Season Extension Support,40-Pack Never rust garden fabric hoops, high rise tunnel hoops Ideal hoops for row cover, plant covers and frost protection cover support Greenhouse frame span can be ajustable 5/16"*10', pack of 40, 1pc of 10ft long hoop is jointed by 2pcs of 5ft long hoops with 1pc of ferrule Arch height: 24~30 Arch span: 62~84