Aluminum slot profile with general dimensions 40 mm x 80 mm with 8 mm slot and 6.8 mm holes. This hole is ideal for self-tapping screws of dimension 8. The profile is characterized have a maximum internal slot distance of 20.5 mm suitable for use with all accessories of the 40/80 series. It is a profile used for the construction of medium-sized mechanical structures, machine benches, CNCs, protection fences, etc.