Bazhou's Dumbbell Locks 25Mm, 8 Pcs. These Dumbbell Locks Are Designed For Use With 25Mm Bars, Barbells, Metal Dumbbells, Or Other Sports Equipment That Needs To Be Secured. Please Confirm The Size Of The Device Before Purchasing. Material: The Spring Lock Is Made From The Toughest Abs Plastic And Spring Steel, Which Provides Stable And Firm Support For Your Weightlifting Bar. The Rubber Grip On Spring Locks Provides A Convenient Method For Easy Removal. The Soft Protective Cover Is Comfortable For Assembly And Dismantling And Saves Time. Design: These Dumbbell Clasps Have A Secure And Firm Grip, Will Not Hurt Your Hands, And Have A Certain Thickness And Tenacity Sufficient To Allow It To Conform To The Thread. It Can Help You Relax The Barbell More Easily, And It Can Also Help You Tighten The Barbell Better, Not Falling Off Easily, And Being More Stable. Safe Training: With A Comfortable Grip, Women Can Easily Operate The Spring Clip With One Hand. The Spring Locks Are Suitable For Men And Women Who Often Do Strength Training. Application: These Dumbbell Locks Are Suitable For All 25Mm Barbells. Barbell Clips For Weightlifting, Powerlifting, Gymnasium, Fitness, Weightlifting, Strength Training, Triceps Training Equipment, Etc. Spring Locks Are Popular In Gyms, Training Rooms, Home Fitness And Sporting Activities Must Be Safe.