


Blue Sea 5045 ST Blade Compact Fuse Blocks - 4 Circuits w/Cover - 5045
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Blue Sea 5045 ST Blade Compact Fuse Blocks - 4 Circuits w/Cover - 5045ST Blade Compact Fuse Blocks 4 Circuits w Cover Provides surface mount circuit protection for ATO ATC Fuses in a compact footprint. The single side design allows wire entry from one side to maximize space. Compact common source fuse block Accepts ATO and ATC fast acting blade fuses Single side entry wiring Ignition Protected meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment Insulating cover meets ABYC USCG insulation requirements
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4.0 ★★★★★
Based on 384 reviews
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Product Reviews
★★★★★ 5
Great gift for men who have everything for garage
Bought these as a gift for a man who has everything but these hooks. He loved them. size was perfect for garage and the magnetic strength was great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
good quality
Size: 4" - Black, Style: Open Hooks
Really strong magnets. Holds up stall cleaning forks on the trailer wall even when under way
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Work great
Item Package Quantity: 6, Color: Black
Relatively strong hooks. The metal I have them on is thin so the magnets arent as steady as I hoped but thats my fault not the hooks. Ample hook space and solidly built
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Reviewed in the United States on March 23, 2024
★★★★★ 5
You need these!
Item Package Quantity: 4, Color: Black
These are not really “industrial strength” but they work great and are decent quality, especially for the price. I bought them to use on a sheet metal barn and they hold halters, rakes and other supplies with ease. Out of curiosity I did toss a dewalt drill in one and it held even though I ordered the medium size and the drill didn’t fit super well.
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Very useful tools or helmets hanger.
These are quite useful and hold anything that’s less than 10lb. I think it can hold heavier items but I think it’s best to keep it light and the magnet strong enough to make it very convenient to affix it to any metal cabinet or poles.
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Reviewed in the United States on August 7, 2025