Features: Made of PVC materials, Enduring and safe for a long terms use. With fine workmanship, not easy to wear and tear, very practical in use. Easy to install and remove, convenient to use. Perfect for fixing your dumbell or barbell. The method of use is simple. Just screw the nut on the dumbbell bar. Specifications: Materials: PVC Diameter: about 4.8cm/1.89inch Package Includes: 4Pcs Dumbbell Rod Nut note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.
