Navigation set for training purposes, sports boat licence lake, sports coastal ship licence SKS, charter skipper course triangle, high-quality, shatter-proof plastic (crystal clear), sturdy handle strip for clicking out, hanging hole, flattened hypothenuse, 27.3 cm zero point on the hypothenuse, easy parallel movement thanks to numerous distance nubs on the back, easy to read on the gradnumbersKala (0° to 359°) thanks to two-tone representation of the numbers, additional line scale (11.25° division), transparent triangle, without embossing with a clear view of the nautical map, navigation compass brass, matt zaponed, in plastic case, one-handed use, 180 mm. This navigation set has been used in training at Dreimaster for over 10 years. . The triangles are selected so that they can be used for the small cards during the SBF Lake exam, as well as for the large cards during the SKS test.