Rigid, without snap ring, IP55 V4A stainless steel, white for diameter 35 mm light source Indoor and outdoor use Also suitable for installation in concrete ceilings and other thermally difficult installation situations as well as for use in damp rooms and sea air areas. Housing and cover ring made of V4A stainless steel. Light source can be changed by removing the inner ring (clip closure). Hardened clear glass. Protection class IP55 when installed in closed ceilings. Not including light source Ceiling cutout 45 mm Outside diameter 63 mm Not including low-voltage socket Item no.: 55004 (SKIII)