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Stoppers / Balls / Parrel Beads
Stoppers / Balls / Parrel Beads
Stoppers / Balls / Parrel Beads
Stoppers / Balls / Parrel Beads

Genuine Sea Sure manufacture

Rope Stoppers
Plastic Balls
Parrell Beads
Whatever you call them, they are excellent on the end of a bungee/shock cord or a line

All the dimensions are set out in the chart below

Priced individually


More Information

Sea Sure Rope Stoppers, also known as stopper balls, parrel beads or doughnuts, have multiple uses onboard when attached to the end of shock cord and running rigging lines.

These are genuine Sea Sure Balls manufactured from an extremely durable plastic compound in Warsash, UK.

Sea Sure plastic balls are available in 4 sizes and 6 colours.

Please note that the hole sizes vary from reverse to obverse sides.

Stoppers, Balls and Parrel Beads are ideal for use on both shock cord and rope for all sorts of jobs on board.
e.g., for securing covers, for the end of control lines to prevent them from being pulled out through cleat fairleads, and on the splice of sheets and halyards.

Dimensions are denoted by external diameter, small hole diameter and the larger counterbore hole (or rebate) diameter - see the diagramatic illustration on a green stopper in the photos.

To explain in a different way - the space to neatly accommodate the stopper knot is created by counterboring the small hole.
The counterbore, or rebate diameter, is listed in the chart below.

The small hole can easily be drilled out to a larger size for your application.

Parrel Beads Dimensions
Size Hole Diameter Rebate Diameter External Diameter
X Small 4mm 8mm 17mm
Small 6mm 13mm 22mm
Medium 7mm 15mm 31mm
Large 11mm 23mm 44mm