Specification: Applications: Professional 3D Printers, Plasma, Lasers, Stands, Furniture, etc. Model: HL2080 Material: Aluminium Alloy - 6063 T5 Color: As shown in picture Tolerances: Length(+/- 3mm) Dimension: 20mm x 80mm Length: 600mm (1cm=0.39Inches) Features: The 2080 T-Slotted Extrusions are perfect for DIY, such as building the 3d printers and so on. These high quality 2080 Aluminium T-Slotted Extrusions form a perfect solution for custom machine frames, workstations, prototyping, guarding and many more purposes. The extrusion are a great framing material as they are adjustable and can hold T-Slot Nuts on all Grooved Surface sides.