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Black neodymium fishing magnet 2.36 inch diameter with threaded eye bolt

Niuknow NIUKNOW888 2.36 inch 500lbs Fishing Magnet

SKU CH-15CK-GPSZM MPN NIUKNOW888

A 2.36 inch neodymium fishing magnet rated for 500 lbs pull force with a triple-layer corrosion-resistant coating and threaded eyebolt for retrieval work

  • Color familyMetallic
  • Main materialNeodymium
  • Product colorBlack
  • Number of items1
  • 500 lbs pulling force under ideal conditions for heavy retrieval
  • 36 inch neodymium magnet with triple-layer Ni+Cu+Ni coating resists corrosion
  • Compact design includes threaded hole and eyebolt for rope attachment
  • Single rare-earth magnet suited to fishing, treasure hunting and item recovery
  • New condition Niuknow NIUKNOW888 model ready for immediate use

Ideal for magnet fishing and retrieval

The Niuknow NIUKNOW888 is a single neodymium fishing magnet built for underwater recovery, metal scavenging and general item retrieval. Its 2.36 inch diameter and 500 lbs pull rating suit hobbyists and professionals who need a compact, high-strength tool for pulling ferrous objects from water or lifting heavy steel items in a workshop. The triple-layer Ni+Cu+Ni coating resists corrosion during repeated submersion.

Pull force decides suitability

The headline specification is the 500 lbs maximum pulling force measured under ideal conditions. This figure determines whether the magnet can handle the target object; actual hold strength drops with air gaps, surface coatings, rust or non-flat contact areas. Buyers who need guaranteed lift on irregular, painted or heavily corroded surfaces should verify the real-world margin before committing.

Handles medium ferrous loads.

The magnet comfortably retrieves tools, fasteners, small safes and similar steel objects that present a clean, flat mating surface. It runs out of effective grip on large irregular items, thickly painted structures or objects where only edge contact is possible. The single eyebolt mounting point also restricts use to single-line pulls rather than multi-point rigging.

How it compares

Measured against everything we stock in Fishing Tools & Gadgets, at today’s prices. Recalculated every night.

Price $22.99
Typical for this category: the median of 152 items is $24.99.

Specifications

Product
Brand nameNiuknow
Model nameNIUKNOW888
Product colorBlack
Color familyMetallic
Size & build
Main materialNeodymium
In the box
Number of items1

Questions about this item

How much pull force will the 500 lbs rating actually give me on a real underwater recovery?

The 500 lbs figure is measured under ideal conditions on a thick, flat steel plate; on rusty, curved or thin objects the effective pull will be lower, so use a strong rope and expect less force in practice.

What does the Ni+Cu+Ni triple coating actually protect against in saltwater?

The three-layer nickel-copper-nickel finish resists rust, scratches and general wear, keeping the neodymium core sealed during repeated saltwater exposure.

What size rope or bolt fits the internal threaded hole and eyebolt?

The magnet includes an eyebolt that screws into the internal threaded hole, allowing direct attachment of a carabiner or rope loop without extra hardware.

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