Description 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. Features Patent-pending self-locking cam-lock mechanism Aircraft-grade aluminum with reinforced nylon components Even pressure across the sleeve to prevent plate movement Drop-tested over 10,000 times for proven durability Diamond-knurled exterior for secure handling, even with chalk Integrated magnets for easy storage on racks or plates Compatible with Olympic bars, specialty bars, and Smith machines Available in Stealth Black, Raw Silver, and Competition Blue