XCalibur Locking Collars

10,000 Drop Tests Later: The Ultimate Olympic Collar Patent-pending self-locking cam-lock mechanism for instant, bombproof lockdown Aircraft-grade aluminum construction with reinforced nylon components Drop-tested over 10,000 times for proven durability Creates uniform pressure across entire sleeve to eliminate plate migration Diamond-knurled exterior matches barbell grip pattern for secure handling Integrated neodymium magnets for convenient storage on racks, plates, or steel surfaces Maintains confident grip even with chalked hands Available in Stealth Black, Raw Silver, and Competition Blue Compatible with all Olympic bars, specialty bars, and Smith machines Engineered to withstand daily abuse while maintaining precise tolerances Zero slip, spin, or constant adjustment required