No cleat or ring in place Rings in wrong place Then use Portable Dock Rings as a convenient way to tie up your boat.A clever portable cleat” for use on any wooden dock. Insert between the planks, twist 90 and you have a ring for attaching a dock line. Made of heavy duty steel (5/16", 8 mm), tested to hold even in wave action. Great for use with dinghies and PWC, too. Heavy-duty, zinc-coated steel.Carry it in your boat!PowerboatsFishing boatsSailboatsSeaplanesJet skis