How To Build a Retractable Magnetic Plumb Bob

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How To Build a Retractable Magnetic Plumb Bob

Tie a retractable chalk reel line to a plumb bob. Be sure to get braided line as it wont twist and spin. Glue a magnet to the back for quick easy attachment to ferrous metal objects and also to hold the plumb bob while in storage.

I purchased the Dewalt Compact Chalk Reel and a Johnson Steel Plumb Bob both from Home Depot. The Dewalt has a push quick release that is convenient and its fairly compact which I like.




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DEWALT
Compact Chalk Reel Kit with Blue Chalk

PRODUCT OVERVIEW Model # DWHT47257L Internet # 204624599 Store SKU # 1000024431
DEWALT has a well-earned reputation for designing and manufacturing many of the world’s most reliable and best-performing professional-grade power tools. And every product is forged with DEWALT’s unwavering commitment to producing tools and accessories that can withstand harsh jobsite conditions and meet the unyielding day-to-day demands of professional contractors. And now, DEWALT has applied that same no-nonsense, GUARANTEED TOUGH philosophy to its new line of heavy-duty hand tools. Designed to deliver the same standard of excellence as its power tools, DEWALT hand tools were conceived on the jobsite and built to exceed the expectations of professional homebuilders, remodeling contractors, plumbers, electricians, industrial maintenance mechanics, drywall hangers, demolition crews, and all other construction trades.
3:1 gear ratio
Compact size ideal for secondary reel or correction reel
Sealed gear system helps protect gears from debris and contamination
Clutch design for fast, easy unwind
Belt clip for simple, secure storage
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DWHT47257L
Compact Chalk Reel with Blue Chalk
Product Features
Compact size ideal for secondary reel or correction reel
3:1 gear ratio
Clutch design for fast, easy unwind
Belt clip for simple, secure storage
30’ Braided line

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Johnson
8 oz. Steel Plumb Bob
PRODUCT OVERVIEW Model # 08 Internet # 100184170 Store SKU # 378437
The Johnson 8 oz. Steel Plumb Bob features a removable top, so it's easy to tie the tool to a string or line. The plumb bob is made of plated steel, and it resists corrosion.
Ties easily to a string or line
Hexagonal machined steel
Bright-plated finish for corrosion resistance
Removable top for easy, centered string installation

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Johnson 
8 oz. Steel Hexagonal Plumb Bob

http://www.johnsonlevel.com/P/1431/08

MODEL #: 08
Hexagonal machined steel body

Corrosion resistant plated finish

Removable cap for easy, centered string installation