Model ship coupling ElasticShaft coupling with flexible rubber centre part for engines with medium power. The metal parts of the ship coupling are fixed to the shaft by means of a grub screw. Suitable for 4 mm shafts. The diameter can be reduced once to 3.2 mm with the enclosed spacer sleeve.Shaft connections:Connection A 4 mm or 3.2 mm diameterConnection B 4 mm diameterOverall length 28 mmOuter diameter 10 mm ro1445.