Cable protection duct vertical corner 90°, with snap-on cover, duct base unperforated, the potential equalization of the cover takes place automatically when snapped on, accessories for potential equalization, two joint connectors LST...E3 per joint, must be ordered separately. for cable protection ducts: LLK...E3 / LUK...E3 Dimensions (approx. dimensions) H x W: 60 x 100 mm Inner leg length: 75 mm Material: stainless steel, material no. 1.4301