Athletic Works Standard 14" Threaded Dumbbell Handle with Secure Star-lock Collars. It fits 1'' standard plates. It includes one solid steel construction dumbbell handle and 2 chromed spinlock. 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. Athletic Works 14" Spinlock Dumbbell Handles Fit 1" Standard Weight Bar, Single bar with two collars * Durable dumbbell handle: 14 inch/35cm chrome dumbbell handles for all standard plates (1”/25mm), Solid steel construction . * Convenient: Easy and quick to swap plates with Anti-slip spinlock collars with rubber inserts. Allows for a variety of interchangeable weights to be used. * Finish & Safety: Chroming finished bar with pvc grip, Free of phthalate and lead, No Prop65 Warning label needed.Dumbbell bar and spinlock collars have rubber inserts to ensure the weights are anti-slip. * Comfortable Grips: This premium workout bar features a knurled hand grip designed to enhance your hold during lifting. Ergonomics arc handle grip makes your hands more comfortable. * Strength Training: Engage upper body muscles including chest, back, biceps, triceps, traps and core with Athletic Works ’14" threaded dumbbell handle for weights with 1-inch center hole.