You searched for "rectangular bracket"
RS PRO
RS PRO Silver Aluminium, Anodized Profile Strut, 40 x 80 mm, 10mm Groove, 3m Length
Part: 264-7843
Rectangular anodized aluminium strut for wide industrial framework and support structures.
RS PRO
RS PRO Silver Aluminium, Anodized Profile Strut, 45 x 90 mm, 10mm Groove, 2m Length
Part: 264-7849
Two-metre rectangular aluminium profile for heavy-duty industrial framing.
Schneider Electric
Aluminium, Anodized, 700 x 116mm
Part: ISM20202
Anodized aluminium mounting panel for electrical enclosures and server racks.