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Rocker Stoppers


Model # 124479 | Mfg # 352
In stock online.

Stabilizers reduce rolling or pitching of moored or anchored boats by 50%. Pass 3/8" nylon rope (sold separately) through Rocker Stoppers, spacing at equal intervals; connect weights-like small mushroom anchors or salmon weights (sold separately)-to the bottom of each line; and attach the lines amidships on each side of your boat. Made of lightweight, high-impact, virtually indestructible orange styrene. Nests for compact storage. The top of the Rocker Stopper attaches to the boom, whisker pole, outriggers, etc. with 3/8'' nylon rope (not included).

  • Up to 26' boat, three per side
  • 27' to 36', four per side
  • 37' to 42' five per side
  • 43' to 50', eight per side
  • 51' to 65' 12 per side

Rocker Stoppers

Dimensions 14" Diameter
Material Styrene

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by PowerReviews
Davis Instruments Rocker Stoppers

(based on 1 review)

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Reviewed by 1 customer

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(16 of 16 customers found this review helpful)


Simple, low-tech, and they WORK!!


from Columbia, SC

About Me Professional


  • Easy To Install
  • Easy To Use
  • Reliable
  • Safe


    Best Uses

    • Large Boats
    • Small Boats

    Comments about Davis Instruments Rocker Stoppers:

    Used rocker stoppers for years in Southern California anchorages on 5 offshore islands. For quick set-up used one set (5 cones spread about 2′ apart with 20# of lead (old beer cans filled with scrap lead) at bottom. Suspended off of boom. In exposed or "rolly" anchorages (or in heavy-traffic Avalon Harbor on Catalina Island) used a second set of rocker stoppers secured to a cleat on the opposite side of the sailboat. With the second set of rocker stoppers the only moovement was a gentle up and down motion!

    This is a simple, easy to use, easy to stow product!

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