Product name:Weightlifting Barbell Quick Clip Product Size about: black(A):8.8*5CM/3.46*1.96IN,Applicable to inner diameter: 5cm/1.96in red(B):8.8*5CM/3.46*1.96IN,Applicable to inner diameter: 5cm/1.96in black(C)5.8*3.5CM/2.28*1.37IN,Applicable to inner diameter: 2.5cm/0.98in red(D):5.8*3.5CM/2.28*1.37IN,Applicable to inner diameter: 2.5cm/0.98in Product color: As shown in the figure Product Material:ABS product features: 1. Quick and Easy Locking Mechanism: This barbell and dumbbell quick-release clamp features a convenient and efficient locking mechanism. With just a simple twist, the barbell or dumbbell plate can be securely fastened in place, allowing for a hassle-free workout experience. 2. Versatile Compatibility: This clamp is designed to fit both barbell bars and dumbbell bars with two different sizes available - 2.5cm and 5cm. It ensures a perfect fit and compatibility with a wide range of weightlifting equipment. 3. Durable and Sturdy Construction: Made from high-quality materials, this clamp is built to last. It is resistant to wear and tear, ensuring long-lasting performance even with regular use. The sturdy construction provides a secure grip, preventing any unwanted movement during exercise. 4. Easy to Use and Adjust: The clamp features a user-friendly design that allows for quick and easy installation and removal. It can be easily adjusted to accommodate different weights and plate sizes, making it suitable for various strength training exercises. 5. Safe and Secure: This clamp provides a reliable and secure grip, ensuring that the weight plates stay firmly in place throughout your workout. It minimizes the risk of accidents or injuries caused by loose plates, allowing you to focus on your fitness goals with peace of mind. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Weightlifting Barbell Quick Clip