Adjustable Width Slotted Cable Tray Telescopic Steel Trunking for Variable Cable Routing | Telescopic Open Slot Steel Tray for Flexible Industrial Cable Routing Product Overview This adjustable width slotted cable tray adapts on site to fit variable cable loads and route widths. Telescopic sections of folded metal sheet overlap and lock, so the slotted cable tray can be widened or narrowed while keeping full structural toughness and joint locking strength. Used as a cable