V-Slot Aluminum Extrusion Bar 20mm x 20mm (1M - Black Anodized) made in china 6063 high tolerance

From the shop's description

What is V-Slot ? V-Slot is an open source and high quality aluminum linear rail profile with an extremely smooth v groove on all 4 sides. It's precise, easy to work with and allows you unlimited design control through it's modular nature. V-Slot's building characteristics are much like traditional T-Slot but V-Slot have more advantages, for example you can use v groove bearings linear motion directly without rails. This brings your projects to life! V-Slot is a new concept in building. Professionals, Hobbyists, and Kit Makers are sure to love it! High quality product made in China 6063 high tolerance What can be made with V-Slot? You will find that V-Slot is perfect for most projects. Below is a list of a few ideas to get you started. You are the creator. 3D Printers CNC Engravers Hot Wire Machines Laser Cutters Camera Sliders Plasma Cutters Robotics Furniture And much more V-Slot Details OpenBuilds V-Slot is made with 6063 T-5 Aluminum Extrusion and has a beautiful, shiny, super smooth, black anodized finish. The finish is much shinier than standard T-Slot extrusion which allows for a smoother ride for the V groove wheels.