6 x Aluminium Straight Line Connector, 4040 Aluminium Profile, 18 x 2 cm Internal Straight Connector Profile in Galvanised Aluminium, for Aluminium Extrusion Profile Series (40 x 40 cm) : Amazon.com.be: Industrial & Scientific
Easy Fixing 40X40 3 Way Corner Bracket Aluminium Part with Insert Bolt for 4040 Slot 8 Aluminum Profile/Shelf/Workbench/Assembly Line in Silver White 20 30 40 - China Aluminium Extrusion, Hardware | Made-in-China.com
Aluminium profiles 40x40 light Type I | norelem
AluProfile 40x40 (Heavy-Duty) – IBG Automation Malta Ltd.
Profil en aluminium 208cm 40x40 pour vis à tête hexagonale
Square profile 40x40 mm (groove 8) - Now from BeeWaTec!