The Force USA XCalibur Locking Collars are built to do one thing perfectly: keep your plates locked in, no matter how hard you train. With a patent-pending cam-lock design and aircraft-grade materials, these collars deliver instant, rock-solid security without constant tightening or adjustment. They go on fast, stay put, and hold strong through heavy lifts, drops, and high-rep sessions. Simple, durable, and confidence-inspiring—exactly how collars should be.