30° 60, 90 degree symmetric and asymmetric lens Aluminum LED Profile with Low UGR which can be installed on the ceiling for the indoor lighting projects, all of them are made of brand imported material, anti-yellowing and perfect light distribution, you can choose them for various lighting effects. the Linear Lighting Fixtures are made of 6063-T5 extruded aluminum material and with anodized surface treatment, anti-oxidation resistance and has a longer lifespan than other similar products. there are 3 colors available, silver, white and black colors. the inner width is 32mm and allows the max-width of LED Light is 24mm, you can install the Rigid LED Modules and multiple rows of SMD LED Strips or COB LED Tapes on it as the light source, the Aluminum Fixtures can be worked as a heat sinker for better heat dissipation, which will extend the lifespan of your LED Lights. there are 3 types of connectors are available, 90°, 180° and T shape Connectors, you can purchase them separately and reconnect the Light Fixtures together for your projects. you can use them as the main lighting in the kitchens, offices, dining rooms, etc.