Lock-Jaw Collars - Gronk Fitness Edition Subscription 5" outer diameter for easy

5" outer diameter for easy handling

maximizing muscle engagement and growth

Connectivity: Bluetooth and ANT+ for heart rate monitoring and app integration

while the lightweight design allows for easy transport and storage

Specification Value Available Weights 4 lb – 50 lb Finish Soft

Lock-Jaw Collars - Gronk Fitness Edition Subscription 5" outer diameter for easyLock Jaw Collars Gronk Fitness Edition The Lock Jaw PRO 2 Gronk Fitness Edition is a premium, co branded version of the renowned Lock Jaw PRO 2 Olympic barbell collar. Designed for serious lifters, these collars are perfect for Olympic lifting, bumper plate workouts, and high impact CrossFit style training where secure collar fit and rapid plate changes are essential. Featuring a 50% increase in holding power, the PRO 2 design incorporates an enhanced