APPLICATIONS: Automation equipment, professional 3D printers, workbenches, lasers, stands, furniture, etc. machinery, fitness equipment, precision printers, automatic cutting machines, etc. Great DIY 4080 aluminum extrusion is a great framing material that offers endless architectural possibilities for your ideas, it allows for a variety of combinations and reuse, and is easy to assemble. 40 series aluminum extruded profile T-slot made of 6063-T5 material, smooth surface, strong structure and long service life. Compatible with all Series 40 fasteners and accessories. HIGH QUALITY: High-strength European standard aluminum profile, the surface is anodized, making the surface smoother and cleaner. 2PCS per package, 40mm * 80mm * 1220mm.