An assortment box with transparent silicone tubes for the correct attachment of your poses.
In the fine version, the tubes are available for diameters of 0.3 / 0.4 / 0.5 / 0.6 and 0.7 mm.
In the coarse version, the tubes are for diameters 0.8 / 1.0 / 1.2 / 1.5 and 1.8 mm.