Athletic Works Standard 14" Threaded Adjustable Dumbbell Handle with Secure Star-lock Collars. It fits 1'' standard plates, 3 lbs Weight. It includes one solid steel construction dumbbell handle and 2 chromed spinlocks. This dumbbell handle accommodates all standard weight plates with 1" center hole. The rubber-coated handles provide a sure and comfortable grip. In addition, Threaded collar design provides for safe and easy plate changes. Ideal for use to increase your body muscles including chest, back, biceps, triceps, traps and your core. Good choice for the home training.