P8-4040LA light duty aluminum profile measures 40mm*40mm with T-slots of 8.2mm. This profile features slots on all four sides for assembly with other profiles or accessories. P8-4040LA profile shares similar appearance and parameters with P8-4040L profile, but its unique flower-shaped hole design makes it suitable for tapping. It's primarily usde for aluminum frame structures with relatively low load-bearing conditions, such as handrails and shelves.