The PROLOC™ 2 Collar fits any bar with a diameter ranging from 1.937" to 2.007" (Fits most bars, Fits all Olympic bars)
Compatible with Olympic bars and Powerlifting bars as well as most logs, cambered bars, Swiss bars, and safety squat yoke bars. It can also fit smaller bars but cannot be used as a collar, more like a chain holder.
These collars will be able to support a tested 675 pounds of chains per collar. The strength and durability of these collars can last in the hardest gym environments for years.