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Ball Shape, 24" Diameter. Heavy-duty vinyl coated nylon fabric. Stainless steel framing. Fully collapsible when stored. Simplicity of design offers rapid and rigid display when required. <br><br>Day Signals or Day Shapes are used for communication. There are five types of day shapes: Circle, Diamond, Cone Apex Pointed Up, Cone Apex Pointed Down, and a Cylinder. All day shapes are Black in color. See the USCG Navigational Rules.<br><br>1) At Anchor - Single round ball<br>2) Aground - Three round balls in a vertical line<br>3) Making way with sails up and motor on - Inverted cone (only required for sailboats, 12 meters or larger)<br>4) Dredging or making way with an obstruction on one side - Two green lights or two diamonds in a vertical line to indicate the side safe to pass. (Diamonds are a sailors best friend - Thus, safe to pass. ) Two red lights or two circles in a vertical line to indicate the side which has the obstruction.<br>5) Vessel not under command - Two round balls in a straight line.<br>6) Vessel restrained by draft - A Cylinder.<br>7) Vessel restricted in her maneuverability - Three shapes in a straight line. The top and the bottom are a ball and the middle is a diamond.<br>8) Vessel engaged in fishing - Two cones in a vertical line with their apexes pointed at the center<br><br>

Datrex 24&quot; Ball Day Signal/Shape 'At Anchor', Black 1/Case - DX0011M

24-ball-day-signal-shape-at-anchor-black-1-case-dx0011m

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