This set includes six different weight screws (0.2oz 0.4oz 0.5oz 0.8oz 1oz 1.5oz) allowing you to customize your pool cue for great . Make of Iron, Stainless Steel and Aluminum, enduring and rustproof during your game. The included metal storage box makes it easy to carry and store your weight bolts. Comes with installation tools, making it easy to adjust the weights on your cue as needed. Perfect for casual player and serious competitors, these weight studs enhances your billiard by providing the flexibility.