This 2020 aluminum extrusion profile is perfect for CNC laser engraving machines, 3D printers, sliders for cameras, robotics, furniture, DIY woodwork and more. It has a V-groove allowing it to function as a T-groove and supports linear movement making it ideal for building as a 3D printer. The aluminum profile is also suitable for custom machine frames, workstations and various other purposes. The package includes 1 x aluminum frame. Slot: V Slot. Section size: 20x20mm. Material: Aluminum alloy. Features: - For CNC laser engraving machines, 3D printers, sliders for cameras, robotics, furniture, DIY woodworking and much more. - The aluminum profile with V-groove 2020 can function as the aluminum profile with T-groove, all accessories for T-grooves (such as T-nuts) can adapt to the aluminum profile with V-groove. - The aluminum profile with 2020 V slot supports linear movement, it is possible to build as a 3d printer and so on. - Aluminum profile extrusions with standard 2020 V slots are perfect for custom machine frames, workstations, prototyping, protections and many other purposes. Specification: Slot: V Slot Section size: 20x20mm Material: Aluminum alloy Package Included: 1 x Aluminum Frame Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.