MB317T 32DO(NPN) 32-Channel Digital Output Transistor Output Modbus Controller

MB317T 32DO(NPN) 32-Channel Digital Output Transistor Output Modbus Controller

Marsoni

M251S

$81.00

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

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We offer a 30-day return/exchange service after receiving.
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Recently purchased the Work String trimmer and blower bundle. I found these and ordered them in hopes they were the right ones. They fit and work perfectly. Super easy to install. Pop out the old one and pop in the new. The string is pretty durable and thick. I love the idea of pre loaded spools. It got so annoying having to rewind the string on the spool every time I ran out. Price is fair and worth it. Highly recommend these if you have the same trimmer.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 2, 2024

Verified Purchase

brian

Chelsea, US

★★★★★ 5

Worth taking the worry off my list.

Size: 16 Line Spools+4 Caps

Great to last forever and not pay over priced smaller packages.

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Reviewed in the United States on March 1, 2026

Verified Purchase

christina castillo

Houston, US

★★★★★ 5

GREAT PRODUCT!

Size: 16 Line Spools+4 Caps

GREAT PRODUCT!

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Reviewed in the United States on May 24, 2026

Verified Purchase

Amazon Customer

Chelsea, US

★★★★★ 4

Good

Size: 20 Line Spools+4 Caps

Great

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Reviewed in the United States on May 28, 2026

Verified Purchase

K. Ranch

Louisville, US

★★★★★ 5

Works like original equipment

Size: 16 Line Spools+4 Caps

Seems to handle the same work load as the manufacturer part. Good quality fit and design. No problems installing the string on the trimmer head. Definitely worth the purchase.

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Reviewed in the United States on September 18, 2025