2 Packs Barbell Lock Anti-Slip 25mm Spin-Lock Collar Screw for Barbell Dumbbell Weight Lifting Secure Locks Accessories for Bar Dumbbells and Weights Twist Spin Ideal Tools for Dumbbells

About this item Self-Locking Design: Our barbell nuts feature an integrated self-locking design with dual layers, automatically tightening the threaded plates with just one twist, ensuring safety without loosening for all your lifting needs. With its unique design, durability and secure fit are guaranteed every time, allowing you to focus on your lifts without worry Safety First: When it comes to lifting, safety is paramount. Our barbell clips employ a dual-layer, dual-threaded plate design with a reverse locking mechanism. The dual threaded plates automatically reverse inward to securely lock, ensuring a safe lock throughout your training, giving you peace of mind Self-Locking Nut Principle: As the nut is screwed in, the unique internal structure causes the inner threaded plates to clamp inward, achieving a secure and stable lock. Easily install our barbell collars in less than 5 seconds, allowing you to focus on lifting without wasting time Versatile Use: Our barbell nut dimensions are 4.5 * 3.5cm, suitable for dumbbells, kettlebells, and other professional fitness equipment, ensuring a secure fit without slipping Satisfaction Guaranteed: Each package includes 2 barbell collars, ensuring you have everything you need for your workouts. If you’re unsatisfied with your weight clips, give our barbell nuts a try. They make weight changes easy and ensure your safety during lifts