• HEAVY DUTY: robust assembly with recessed fitting and mechanically welded steps in cast aluminium and aluminium profiles 2 mm thick. Articulated base and tablets with reinforced landings. When opened: Mechanical dual locking by hooking the tablet and supporting the handles. Complies with the safety requirements of French decree 96 333 dated 10/04/1996 and the EN131 standard. PRACTICAL: the textured handles provide excellent grip. Light step stools that are easy to fold and carry. For all building professionals: drywall workers.