Specifications Color: Black Material: Nylon, Metal Shape: Irregular Style: Modern Special Feature: Durable Set or Single Item: Single Item Thread Diameter: 30mm/1inch Applicable Pipes(Outer Diameter): 12mm/0.47inch, 8mm/0.3inch Net Weight: 0.3kg/0.66 lbs Gross Weight: 0.4kg/0.88 lbs Product Size(W*H): 10.8*13.5cm/4.3*5.3inch Package Size: 17*12*10.5cm/6.7*4.7*4.13inch Package Included 1* Blast Dump Valve.