SUPERIOR GRIP - Provides exceptional hold with its robust iron casting clamp, ensuring secure mounting on tubes ranging from 1.4 to 2.0 inches in diameter for reliable support. HEAVY-DUTY LOAD CAPACITY - Safely supports equipment up to 220 lbs (100kg), making it ideal for professional photography and studio applications requiring sturdy support. EXCEPTIONAL DURABILITY - Constructed with high-quality iron casting and a 2.5' steel shaft, this clamp is built to withstand rigorous use in demanding environments, ensuring longevity. VERSATILE COMPATIBILITY - Designed to accommodate tube diameters from 1.4 to 2.0 inches (38 to 51mm), offering broad compatibility with various stands and mounting systems for flexibility.