L250D series fin spider is fixed on the glass fin by bolts, and relies on glass fin to withstand horizontal loads and glass self-weight. It uses round arm section, and appearance is simple and elegant, Strong sense of three-dimensional. The spider is made by precision casting process, and external surface is polished into finished products. Product performance is in line with JG / T 138-2010 <<architectural glass point support device>> and the relevant national standards. Spider from the same series has three legs, two legs and single leg structure, and is widely used in point-fixed glass curtain wall.