<p>Product Description<br> Size: 10cm * 5cm, inner diameter 24mm<br> Color: black, blue, red<br> Material: silicone<br> Package Contents: 2 * Dumbbell Handles<br> 1. 【Function】: Our dumbbell handles strengthen your strong forearms, upper arms and entire upper body, preventing muscle imbalance and injury. Barbell handles help you build muscle mass and increase strength by increasing muscle stimulation. Barbell handles work by wrapping a heavy object (barbell, dumbbell, pull-up bar) and increasing the diameter. The larger diameter forces your arms to grow more. <br>2. 【Standard Size】 The standard size of our thick bar handles fits almost most barbells. Suitable for 25mm, 28mm and 30mm diameter grips. <br> 3. 【Features】 Our dumbbell grips relieve joint pain by transferring pressure and reducing stress and strain on your wrists, hands and fingers. Make the muscles of your arms more active for incredible size and strength gains. Build strength by lifting weights, powerlifting, or a variety of exercises, weightlifting, and barbell training, including barbells, dumbbells, and kettlebells. <br>4. 【Used by Top Bodybuilders】Our barbell handles are used by many athletes, bodybuilders, boxers, and special forces soldiers. Using a thicker diameter barbell allows the muscles of the arms to be more active, resulting in incredible size and strength gains. Our dumbbell handles relieve negative fiber muscle tension so you can push safely. <br>5. 【High-quality Materials】Our dumbbell handle adapters are made of skin-safe silicone, which is soft to the touch and durable for even the heaviest weights. Every bar is a true muscle builder. </p>