Description Are you looking for a professional, yet reasonable Barbell Lock Collar? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? If yes, look no further! Our Self-locking Security Nut must meet your needs, this Barbell Locking Nut is one of the great choices for you. Features - Color: Black -Material:Plastic - Size: 6.50X6.50X2.50cm/2.55X2.55X0.98in -Made of sturdy plastic material for durability and longevity, can be used for longer time. -The clasp design of the product is reliable and ensures that the weights stay in place even during intense workouts. -The Barbell Lock Collar is perfect for securing dumbbell bars or barbells during workouts. -Easy to install and remove, making it convenient for quick weight changes during workouts. -Versatile accessory adds variety to your workouts: the Barbell Self-locking Nut is a versatile accessory that adds variety to your workouts, making it more interesting and challenging. Package list: 4 x Dumbbell Locking Nuts Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.