Feature:1. QUICK DISASSEMBLY: Quick release locks collar clips are solid and non slip, quick to remove and securely lock.2. ERGONOMIC DESIGN: Barbell clips are ergonomically designed for easy removal and easy one touch opening and closing.3. TIGHTLY SECURED: Barbell lock holds the weight tightly to the barbell, providing you with maximum lifting safety.4. PERFECT FOR YOU: Barbell collar lock helps you work out without any distractions and avoid any accidents that may happen.5. EASY TO CARRY: Barbell clamps take up no space, are lightweight and easy to carry, perfect for gyms and professional clubs.Specification:Item Type: Barbell Collar LockMaterial: Aluminum AlloyProduct Inner Diameter: Approx. 50mm/2.0in.Package List:2 xBarbell Collar LockNote:Please allow some error due to manual measurement.