SECURE CONNECTION - This Kupo Arch Coupler ensures a robust link between trussing equipment, offering a reliable and stable setup for lighting and studio configurations. VERSATILE DIAMETER RANGE - Accommodates a wide array of truss sizes, fitting diameters from 1.5' (38mm) to 2' (51mm), enhancing compatibility with various setups. DURABLE ALUMINUM BUILD - Crafted from high-quality aluminum, this connector provides exceptional strength and longevity, withstanding the demands of frequent use. LIGHTWEIGHT PORTABILITY - Weighing only 1.54 lb (0.7kg), the Kupo Arch Coupler is easy to transport and handle, simplifying setup and breakdown at any location.