for fixing handle pairs on solid wood, PVC and 2-3 chamber aluminium profiles. Drillhole in door 14 mm diameter, door thickness 35 - 40 mm. Installation tool: Allen key SW 6 (A/F 6) and SW 10 (A/F 10). Ensures a safe distance of 25 mm from the closing edge. Rose fixing: overall handle height + 18 mm. Tested to BAGUV guidelines.