Aluminum telescoping camera mounting hardware. [Specifications] Material: Aluminum/Iron (base part) Color: Silver External dimensions: Base part: Approx. 4.7 inches (120 mm) / Total length: 13.0 - 18.1 inches (330 - 460 mm); Weight: Approx. 13.6 oz (370 g); Maximum weight capacity: Approx. 4.4 lbs (2 kg).