SUPERIOR DURABILITY - Crafted from high-grade aluminum and brass, the Kupo TV Coupler ensures long-lasting performance and reliability in demanding environments. VERSATILE COMPATIBILITY - Features a 28mm receiver, 16mm receiver, and 16mm baby pin, offering broad compatibility with various stands and lighting equipment. ULTIMATE STRENGTH - Supports a substantial payload, with the 28mm attachment holding up to 661.4 lbs (300kg) and the 16mm attachment supporting 88lbs (40kg). SECURE FIT - Designed with a precise jaw diameter ranging from 1.89' (48mm) to 2.01' (51mm), guaranteeing a snug and secure connection to your equipment.