Set of 2 standard vertical rails for fixing of chassis and cross rails, 1800mm. range: Spacial – accessory / separate part category: mounting accessory – product or component type: standard upright – device application: multi-purpose – mounting support: mounting plate fixing bracket, upright fixing bracket – range compatibility: Spacial SF, Spacial SFX, Spacial SM, Spacial SMX – quantity per set: set of 1.