Aluminium Mast Extension Essentials SDM Cross Pulley U-pin 45cm Unifiber UF030070070

Aluminium Mast Extension Essentials SDM Cross Pulley U-pin 45cm Unifiber UF030070070

Marsoni

M251S

$71.96

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

Aluminium Mast Extension Essentials SDM Cross Pulley U-pin 45cm Unifiber UF030070070Aluminium Mast Extension Essentials SDM Cross Pulley U pin 45cm Unifiber UF030070070 Description: The Unifiber Aluminium Mast Extension Essentials SDM is a robust 45 cm mast extension engineered to give windsurfers precise rig tuning and secure attachment for booms and downhaul systems. Constructed from anodized aluminium with stainless steel hardware and a low friction cross pulley, it delivers reliable performance and corrosion resistance in marine

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Great product design, very versatile with an incredible magnetic. Worth its weight in gold. Works perfectly as described, actually surpasses my expectations. I sail and have placed this by my helm for my device, which I use for navigation and other purposes. Despite encountering severe weather conditions, it has never failed me. I’ll be ordering more of these in the future for my other devices and as gifts.

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Reviewed in the United States on April 27, 2026

Verified Purchase

Sherron J Badour

Port Orchard, US

★★★★★ 5

Hands-free video watching

Handy tool especially while I am working at this computer. I can work and watch a video at the same time. Tool holds it tight with a strong magnet. (Turned my phone around for the pic for privacy)

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Reviewed in the United States on April 25, 2026

Verified Purchase

J. Cowger

Grantham, US

★★★★★ 5

Easy to use and sturdy.

They weren't kidding when they said easy to install! All you do is pick where you want the base to be and stick it there with the adhesive side, then put the other side on your phone. The magnets are really strong and hold it well, not flimsy at all.

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Reviewed in the United States on April 18, 2026

Verified Purchase

Lori A Speranza

Natrona Heights, US

★★★★★ 4

Wireless charging

I like it and it holds well when driving. The only limitation is wireless charges. Magnet gets hot or you have to remove your outer case.

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Reviewed in the United States on September 29, 2025