1. Thix box are suitable for outdoor bad condition, the same as Pouyet type terminal box. 2. The box can be mounted with STB module ( Drop wire connector) or 10 pair krone module. 3. The box are dustproof, waterproof, ultraviolet radiation resistant. Material: 1.Material of Plastic Parts: ABS ultraviolet radiation resistant. 2.Material of metal Parts: Stainless Steel. we can manfacture indoor and outdoor distribution box. 1. 10/20/30/50/100 pair indoor distribution box for 10 pair krone module. 2. 50/100 pair krone module connection box (251A/301A). 3. 30/50/100 pair outdoor distribution box for 10 pair krone module. 4. 1/2/4/10 pair distribution box for drop wire connection module (STB module). 5. 5/10/20/100 pair distribution box for rotation module.