Vertical corner 90°, with tabs, fastening is done through the adjacent cover pieces. for electrical installation duct: HKL60190.3 Dimensions (approx. dimensions) H x W: 60 x 190 mm Outside leg length: 224 mm Material: ASA (acrylic acid ester-styrene-acrylonitrile graft copolymer) Color: pure white RAL: 9010 (similar)