2 in (50 mm) Olympic fit: Keep plates secure to train glutes, legs, back, and chest, and ensure bar stability.Heavy-duty spring steel: Withstand repeated training and provide lasting clamp tension set after set.Rubber coated handles: Set up and remove fast between sets to move from hip thrusts to squats during training.Set of 2 collars: Ensure both sleeves are secured to support bench press, deadlifts, and hip thrusts safely.BC Strength compatibility: Ensure fit on all current BC Strength bars; not for Thruster Bar Lite before 27 Jun 2020.