Description Specification: Material: spring steel Color: picture color Size: 30mm diameter Weight: 36gEach Package included: 8x barbell clips Note: Due to manual measurement, please allow 0-2cm interference. Thank you for your understanding. The monitor was not calibrated immediately. The color of the object shown in the photo may differ slightly from the actual object. The 8 spring clips are perfect for barbell bars with a diameter of 30 mm. The comfortable and soft rubber handle makes it easy to attach and remove the spring clip. It is made of durable ABS plastic and steel springs and is designed for demanding exercises at home, in the gym or in groups. Ideal for weightlifting, fitness training, weight lifting, barbells, dumbbells and other strength training. Prevent the plate weight from falling off the slide rail slips.