The Weights are Super made by Tubertini are the leads split, calibrated, available in many different diameters.

Each size is sold in a convenient box with transparent plastic, with easy-opening to avoid loss of time.

Legend Sizes (indicated by the number under the item "Size"):
3: diameter of 3.3 mm / 0,221 g
4: diameter: 3.1 mm / 0,177 g
5: diameter of 2.9 mm / 0,135 g
6: diameter 2.7 mm / 0,112 g
7: diameter 2.5 mm / 0,088 g
8: diameter 2.3 mm / 0,070 g