A profile is designed by our technical and named, it has deflection angle with fixing T-slot 8.2 mm and 3 central holes φ6.8 mm that accords with European standard. It’s usually applied to the edge of the framework and used for a massive range of applications such as workstations, conveyor systems, Racking, safety guards, and other multi-axis positioning systems with a high-quality visual appearance. It can connect well with other 80 series T-slot aluminum extrusion profiles. https://youtube.com/shorts/n_QD7lkdANA? Specification: Material : Carbon Steel Brand Name : Slot Nuts Aluminum Extrusion Profile Parts DIY Supplies : ELECTRICAL is_customized : Yes Model Number: 40-M6 Hammer nut Type : Hammer nut Package Includes: 1 x (20pcs in one packet )Slot Nuts Aluminum Extrusion Profile Parts