Hydro Thumbscrew Set

Marsoni

M251S

$102.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Hydro Thumbscrew SetTitanium screws with hydrodynamic alloy handle for fast foil mounting and toolless adjustments on the go. Loosen the screws by hand to slide your mast forward or back in the DropBox track, then re tighten by hand, lifting handle to orientate into flow direction of water. WARNING: Tighten by hand only. Do not use any tools, and do not over tighten. Due to the reduced torque moment of the thumbscrews, they can loosen more easily. Check screw tightness

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Your Hydro Thumbscrew Set orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I love these sandals! They run true to size, and they’re sooo comfortable. I was worried about getting fakes, but these were the real deal. The color is lovely (light purple). The foot bed can get dirty, but I find them to wash up nicely (by hand, not machine). I have purchased two more colors since! So much better than flats!

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Reviewed in the United States on November 9, 2025

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Siyu

Fort Morgan, US

★★★★★ 5

Comfy dual-mode sandals

Cute, quite comfy to walk in and love the support of the heel strap! It is not as comfy if using in slipper mode because the straps don’t keep your foot tight enough. I am usually a 8.5 but it runs slightly small so I switched up to a 9.

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Reviewed in the United States on June 25, 2025

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Anapaula

Birmingham, US

★★★★★ 5

Love them

Size: 5.5, Color: Red Pepper

I have gotten so many compliments on these shoes! They’re true to size and comfortable. Because of the material feet might sweat easier if hot but they dry quick. Quality is great and the color looks good, it’s more of a orange/red color. I got a 5.5 size

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Reviewed in the United States on May 21, 2026

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Laura

Charlottesville, US

★★★★★ 5

Stylist and comfortable!!!

Size: 6, Color: Red Pepper

So comfortable and well made. I’m going to get these in multiple colors.

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Reviewed in the United States on June 11, 2026

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