High precision aluminum profile extrusion, even small dimensions
Blocan® D-Profiles
Five Common Applications of Aluminum Extrusion - Wiley Metal
8020, 1010, 10 Series 1 Inch x 1 Inch T-Slotted Aluminum Extrusion DIY Extruded Linear Slot Bar Rail 80/20 (12" Long, Black Anodize): Amazon.com: Industrial & Scientific