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KLEIN TOOLS

Klein Tools MSF100 Magnetic Stud Finder and Level, Compact, Wood and Metal Detector with Bubble Vial for Accurate Markings, Felt Pad Backing

  • Based on 557 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Oct 5
Order within 2 hours and 57 minutes
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Size: Magnetic, Single


Features

  • DETECT METAL STUDS AND FASTENERS: Magnetic stud finder efficiently detects metal studs and fasteners within wooden studs
  • POWERFUL RARE-EARTH MAGNET: Provides quick and precise stud identification
  • PROTECTIVE FELT PAD BACKING: Safeguards drywall and plaster surfaces during use
  • PRECISE MARKING AND ALIGNMENT: Features a center top notch, bottom opening, and bubble vial
  • USE AS REFERENCE POINTS: Use several stud finders as reference points by placing them on walls while working

Description

The Compact Magnetic Stud Finder detects metal studs and fasteners within wooden studs, using a powerful Rare-Earth magnet for fast, accurate stud location. It includes felt pads to safeguard drywall and plaster walls. Features such as the center top notch, bottom opening, and bubble vial offer precise marking and alignment. Its compact design makes storage and transport easy; withstanding drops up to 9.9-Foot (3 m). Overmolded housing ensures a comfortable grip. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Brand: KLEIN TOOLS


Material: N52 magnet, PC-ABS housing


Color: Orange


Style: 1-Pack


Item Weight: 1.76 ounces


Brand Name: KLEIN TOOLS


UPC: 092644694790


Unit Count: 1 Count


Manufacturer: Klein Tools


Number of Items: 1


Included Components: Magnetic Stud Finder


Item Type Name: Magnetic Stud Finder


Model Number: MSF100


Manufacturer Part Number: MSF100


Color: Orange


Style Name: 1-Pack


Item Weight: 1.76 ounces


Level Measurement Units: degree


Material Type: N52 magnet, PC-ABS housing


Operation Mode: Manual


Level Measurement Type: bubble


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Kinda fun to use!
Size: Single
I love this little stud finder! So easy, and powerful enough to stick to the wall! Highly recommend! You never have to replace batteries for it either. Its very durable, accurate and worth the price! Small enough to fit anywhere, easy enough to stick on any metal surface like your work truck!
Reviewed in the United States on June 1, 2026 by Cecilia Moreno
    • Awesome stud finder
Size: Single
This is the best stud finder on the market. Easy to use and strong magnet that won’t destroy your drywall. Highly recommend for any DIY project
Reviewed in the United States on June 16, 2026 by Amazon Customer
    • Very strong magnets and am fond of the built in level
Size: Pack of Two
Review Image by Dada
Review Image by Dada
Review Image by Dada
I have a reliable battery operated stud finder but also wanted a more compact and battery-less one to use on thick walls or to double check walls with inconsistent framing. My father had one from the early 80s that used to pivot and had notches for marking off the where a screw was found, but I couldn't remember the brand and haven't found the identical model. I'm building out a closet from a closet kit where the closet wall is shared with the laundry machine, dryer, electrical and plumbing and wanted to be sure that what was detected as a stud was in fact a singular object such as a screw head and not something else like a copper or ABS drain pipe. Having two stud finders helped me to easily determine the distance between studs without making any marks on the wall (I usually use painters tape and mark on the tape). I found the magnet to be very strong but have not tried it on plaster or other non-drywall surface. I also found the level to be useful to vertically line up the framing. I looked at a few other magnetic stud finders and even possibly 3D printing my own, but ultimately chose this 2-pack for the built-in bubble level and notches for accurately marking the detected screw/nail head. I also have a few other Klein tools (e.g. Scout Pro for ethernet/coax cable testing, non-contact voltage tester, tone generator and tracer) that have worked well for me so this seemed like a safe bet. For me, this stud finder is the best and most compact solution. ... show more
Reviewed in the United States on August 7, 2025 by Dada
    • Strong magnet!
Size: Single
This stud finder does the Job! So, I was trying to find studs to hang a TV. This little 3-4" long gadget has a magnet that is strong enough to find a screw in a stud and to let go of it and see it stick to the wall. It is unmistakable as a Klein tool with its black and orange design. The level sight glass was easy to read and use to locate the edges of the stud.It seems tough and ready to get to work. I was able to accurately mark a level line, and then find the edge of the stud and mark a plumb line. Great tool. Perfectly priced. ... show more
Reviewed in the United States on May 10, 2026 by BARBARA S.
    • Best stud finder
Size: Single
My husband used other stud finders most not accurate. This little thing is amazing. Liked it so much and bought one for son he was amazed how well it worked.
Reviewed in the United States on August 10, 2026 by Amazon Customer
    • Does the job.
Size: Single
Simple. Small. The best part... it works! I like that it can sick to the tool chest since it is small and can be easy to misplace.
Reviewed in the United States on August 1, 2026 by Jessica Reyer
    • Solid, simple, and does the job — with a couple small quirks
Size: Single
I picked up the Klein magnetic stud finder for some wall-mounting projects and overall, it’s been a dependable little tool. It’s simple — no batteries, no beeping — just strong magnets that latch onto screws or nails in the studs behind drywall. What I like: The magnets are strong — once it catches a screw head, you know you’ve found your stud. Lightweight and pocket-sized, so it’s easy to keep on you while working. No calibration or fuss — works right out of the box. What could be better: Because it relies on finding metal fasteners, it can be less helpful if your studs don’t have screws/nails where you’re searching. Not as precise as an electronic stud finder for centering studs — you still have to guess a bit. I gave it 4 stars because while it’s reliable and well-built, it’s not foolproof in every wall type. For quick jobs and basic drywall, it’s a great choice — just know its limits. ... show more
Reviewed in the United States on August 7, 2025 by AmazonUser
    • Awesome
Size: Single
Affordable and helpful
Reviewed in the United States on August 4, 2026 by Patricia Santos

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