15QE1515 - x Smooth Heavy T-Slotted Aluminum Extrusion

So one of the industrial plants I work in has scrapped a HUGE amount of aluminum T-slot extrusion and I have free reign over picking through

Aluminum Extrusions, known as T-slot framing rails or profiles, offer a Extrusion Slots: 1 Slot-1 Slot Rapid Design CAD Available in 2D and 3D

extruded aluminum tslot accessories Why Aluminum T Slot Profiles Are the Best Industrial Frames ; T Slot Aluminum Extrusion 20×20mm , T Slot Aluminum Extrusion 80×40mm

extruded aluminium t slot Need quality aluminum T-slotted extrusion manufacturers? Bonnell Aluminum is the nation's largest manufacturer and distributor quality aluminum extrusions