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The adjustment collar on your Hydrus paddle is held by two small stainless steel screws. With time and hard use, one can back out. This four-pack gives you two to run and two to keep as spares. We'll be straight with you. These are standard 4mm x 10mm stainless machine screws, and you can find them at most hardware stores. If you're near one, grab them there. We stock them so you can order the exact right size and know it fits, in stainless that won't rust on the water. Drop two into your paddle's adjustment collar and snug them down. A dab of thread glue like Loctite keeps them put. Toss the other two into the orange repair and spare-parts kit that came with your board, so a loose screw on the water is never a problem.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$6.00