150mm T Slot 20x20 Aluminum Extrusion European Standard Silver Extruded Aluminum Anodized Linear Rail High Strength Guide Frame for 3D Printer Parts and CNC DIY Workbench(4 PCS,5.9 Inches): Amazon.com: Industrial & Scientific
T-Profile 20x20 Aluminium Profile
Profilé Aluminium RS PRO 20 x 20 mm x 2000mm | RS
Source PG20 20x20 4 slot extruded aluminium profile for 3D printer on m.alibaba.com
100-Pack 2020 2040 2060 Roll in Spring Loaded T Nut m3 for 20x20 20 Series Aluminum Extrusions 6mm Slot Aluminum Profile Accessories (M3): Amazon.com: Industrial & Scientific
Profilé aluminium V-SLOT 20x20 fente 6 mm
20 x 20 3S | Framing Technology
20X20 - T-slot - aluminium profile | 3D CAD Model Library | GrabCAD
Source European standard 20x20 t-slot aluminum profile for modular automation on m.alibaba.com