Item Type: Golf weighting ring Material: Outer plastic, inner iron core Weight: Approx. 292g/10.3oz Size: Diameter: 6cm/2.4in Package List 2 x Golf Weighting Ring 1Protective: The outer layer of the golf weighting ring is made of plastic material, which will not scratch the golf club and can give protection to the club well. 2Function: Put the golf weighting ring on the head of the golf club, so that you can have a real swing feeling during the empty club practice, which is very useful. 3Strong Practicality: The golf weighting ring can help build and train golf muscles, and increase the flexibility, strength, distance and control of swing. 4Glossy: The color of this golf swing weight donut is bright and shiny, which looks very beautiful, and the glossy surface and the weight make it easy to slide onto the club. 5Portable: The golf warm up weighted ring is small in size and light in weight, and can be put into a pocket or backpack at will, which is convenient to carry.