Features: 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 performances. 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 stud enhances your billiard experience by providing the flexibility. Specifications: Component: Iron, Stainless Steel, Aluminum Screw lengths: 2.5cm/0.98inch, 5cm/1.97inch, 7.5cm/2.95inch, 10cm/3.94inch, 12.5cm/4.92inch, 15cm/5.91inch Package Includes: 1pc 0.2oz (5.70g) screw 1pc 0.4oz(11.30g):Screw 1pc 0.5oz:(14.20g):Screw 1pc 0.8oz:(22.70g):Screw 1pc 1.0oz:(28.40g):Screw 1pc 1.5oz:(42.50g):Screw 1pc Wrench 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.