GKU 89 Strut Channel Plain 41mm x 41mm
GKU 90 41mm x 41mm Slotted Strut Channel
GKU 91 41mm x 21mm Plain Strut Channel
GKU 92 41mm x 21mm Slotted Channel
Gku 93 41mm x 41mm Slotted Strut Channel
Gku 94 Plain Strut Channel 41mm x 41mm