100% brand new and high qualityFeatures:Premium Quality: 2 pieces barbell spinlock collars screw clamps,which is made of from robust and durable material for long lasting use.Function: Barbell clamps can keep weight plates placed securely and safely while lifting. Nice replacement of old or broken hex lock nut with this new one.Widely Applicable: Perfect for bumper plate use, and platform lifting workouts. They will fit most weight lifting barbells or dumbbell bars.Anti-slip Spin-lock Collars: Anti-slip silence gasket to reduce noise from disc hitting the pole.Easily can slide on and off the barbell.Suitable Gift: This barbells spin-lock collars is good gift for fitness enthusiasts. Let they get a better body shape through these exercise equipment.Package Includes:2Pcs x Barbell NutsSpecifications:Material: MetalColor: Silver ColorPackage Weight: approx.280gType Optional: Hexagonal Rubber Ring Nut/Hexagon Flat NutInner Diameter: approx.25mm/0.98inQuantity: 2PcsNote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you