Lift heavy and train harder! Sunny Health & Fitness No. 076 Barbell Lock Collar Clamp help you lift heavier without the hindrance of moving weight. Unstable weight can take away the effectiveness of your workout. Feel the stability and security when lifting rubber, technique, training, competition, and power lifting bumper plates. Don’t just move the weight…feel the muscle and make every set and rep count with Sunny’s Barbell Lock Collar Clamp.