Package Dimensions:17 x 12 x 6 cm 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 Lock Material: Aluminum Alloy Product Inner Diameter: Approx. 50mm/2.0in Package List: 2 xBarbell Collar Lock Note: Please allow some error due to manual measurement. QUICK DISASSEMBLY: Quick release locks collar clips are solid and non slip, quick to remove and securely lock. ERGONOMIC DESIGN: Barbell clips are ergonomically designed for easy removal and easy one touch opening and closing. TIGHTLY SECURED: Barbell lock holds the weight tightly to the barbell, providing you with maximum lifting safety. PERFECT FOR YOU: Barbell collar lock helps you work out without any distractions and avoid any accidents that may happen. EASY TO CARRY: Barbell clamps take up no space, are lightweight and easy to carry, perfect for gyms and professional clubs. QUICK DISASSEMBLY: Quick release locks collar clips are solid and non slip, quick to remove and securely lock. ERGONOMIC DESIGN: Barbell clips are ergonomically designed for easy removal and easy one touch opening and closing. TIGHTLY SECURED: Barbell lock holds the weight tightly to the barbell, providing you with maximum lifting safety. PERFECT FOR YOU: Barbell collar lock helps you work out without any distractions and avoid any accidents that may happen. EASY TO CARRY: Barbell clamps take up no space, are lightweight and easy to carry, perfect for gyms and professional clubs.