Can you use this magnet to guide a metal plumbob inside a wall to a predrilled hole for fishing electrical wire from basement to attic?

If any metal in the wall it will stick to it. This is a very strong magnet and you may lose it in the wall if you use a cheap string...

Are you supposed to add thread locker?

If on fishing line you should not need to. I don't know why you would need to remove the ring from the magnet housing, but you could add some thread-lock.

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DIYMAG Fishing Magnet, 2.36 Inch 500 Lbs Large Strong Magnets for Lifting

Product ID: 254236896

Details

Brand
DIYMAG
Colour
Single Hole
Material
Neodymium
Product dimensions
6L x 6W x
Shape
Round

🧲500 lbs pull force

⚙️60 mm diameter neodymium core

🛡️Ni+Cu+Ni triple-layer rust-resistant coating

¥10911

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🧲 Hook the hidden treasures others miss — power, precision, and durability in one magnet!

VERSATILE READY - Countersunk hole and eyebolt design for effortless retrieval, lifting, and hanging tasks.
DURABILITY MEETS DESIGN - Triple-layer Ni+Cu+Ni coating ensures rust resistance and a sleek, chip-proof finish.
BUILT TO LAST A LIFETIME - Permanent neodymium magnet strength that won’t fade, even after decades of use.
PRECISION MAGNETIC FOCUS - Magnetic force concentrated at the base for maximum lifting efficiency without wasted energy.
UNMATCHED MAGNETIC POWER - 500 lbs (227 kg) pull force for serious treasure hunters and pros alike.

The DIYMAG Fishing Magnet is a 2.36-inch diameter neodymium magnet boasting an impressive 500 lbs (227 kg) pull force. Engineered with a triple-layer Ni+Cu+Ni coating, it offers superior rust resistance and durability. Its magnetic force is precisely focused at the base, maximizing lifting power while the countersunk hole and eyebolt design provide versatile applications from magnet fishing to industrial lifting. Built for permanent strength, this magnet is a must-have tool for professionals and hobbyists seeking reliable, long-lasting magnetic performance.

Specifications

ASIN	B074BTSR1L
Best Sellers Rank	#141,034 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #228 in Industrial Magnets
Brand Name	DIYMAG
Color	Single Hole
Customer Reviews	4.4 4.4 out of 5 stars (7,916)
Included Components	Material Handling; Pulling & Lifting Equipment; hoist-rings
Item Dimensions L x W x Thickness	6L x 6W x 6.4Th centimeters
Item Highlight	Powerful Magnetic Tags Removal Tool High Power Heavy Duty Pickup for Treasure Hunting Retrieving Items in Lake and Beach
Item Thickness	2.36 Inches
Manufacturer	DIYMAG
Material Type	Neodymium
Model Number	CT60MM
Number of Items	1
Number of Pieces	1
Part Number	CT60MM
Pull Force	227 Kilograms
Shape	Round
UPC	850077560200
Unit Count	1.0 Count

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¥10911

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Perfect platform for hard-to-find items. Delivery was prompt.

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