Profile of maximum dimensions and mechanical resistance of the 40/80 series. Aluminum profile of general dimensions 80 mm x 160 mm with 8 mm slot and 6.8 mm holes. This hole is ideal for self-tapping screws of dimension 8. It is characterized by having a maximum internal slot distance of 20.5 mm suitable for use with all accessories of the 40/80 series. This profile is ideal for machine benches that require great robustness and resistance.