Marking anchor buoy. A unique self-locking mechanism ensures that the buoy is always above the anchor. Buoy saves time to measure the length of the rope. Other advantages of the buoy include easy anchor disengagement. Buoy is marked with 3M reflective tape. Diameter - 30 cm, height - 42 cm, length of unwinding belt - 20 m, tensile strength - 500 kg, weight - 3,5 kg.