Skip to main content
Stud Finders · Comparison

The Franklin Sensors ProSensor M210 meets
the C.H. Hanson Magnetic Stud Finder

A 13-sensor whole-width scan that finds the whole stud in one pass. We tested it head-to-head against the C.H. Hanson Magnetic Stud Finder across 6 key dimensions.

Franklin Sensors ProSensor M210 stud finder, 3/4 perspective view showing the yellow-and-black body and built-in bubble level
BEST

Franklin Sensors ProSensor M210

“A 13-sensor whole-width scan that finds the whole stud in one pass”

$59.99MSRP
Our Score
85.6 / 100
C.H. Hanson 03040 magnetic stud finder front view showing bull logo and rotating level window
VALUE

C.H. Hanson Magnetic Stud Finder

“A bombproof magnetic finder that never needs a battery”

$19.98MSRP
Our Score
67.9 / 100
01

Head-to-Head Breakdown

Accuracy
30% of score +
Franklin Sensors
92
C.H. Hanson
62
Franklin Sensors ProSensor M210

CNN Underscored and Outdoor Life both named it Best Overall. The 13 fixed sensors read a 7-inch band at once, so it maps both stud edges in a single placement instead of asking you to sweep and guess the center.

C.H. Hanson Magnetic Stud Finder

It locks onto the screws and nails in a stud rather than the wood itself, so you infer the center from the fasteners. Reliable at that job, but less direct than an electronic edge read.

Detection
22% of score +
Franklin Sensors
80
C.H. Hanson
45
Franklin Sensors ProSensor M210

Handles wood and metal and flags live AC wiring, though the 1.7-inch depth ceiling trails the deep-scanning Bosch GMS 120 that Your Best Digs and TechGearLab ranked for thick walls.

C.H. Hanson Magnetic Stud Finder

Metal only and shallow. There is no wood sensing and no live-wire warning, which is the trade for having no electronics.

Ease of Use
20% of score +
Franklin Sensors
95
C.H. Hanson
80
Franklin Sensors ProSensor M210

No calibration dance and no roll-across sweep. Outdoor Life called the instant whole-width readout the reason a first-timer gets a clean result on the first try.

C.H. Hanson Magnetic Stud Finder

Dead simple. The magnet snaps to a fastener and hangs there hands-free, and the built-in rotating level helps you mark plumb, which Family Handyman highlighted.

Build
13% of score +
Franklin Sensors
78
C.H. Hanson
88
Franklin Sensors ProSensor M210

Solid molded housing with a reassuring feel in hand, but it is still consumer plastic rather than a sealed job-site body.

C.H. Hanson Magnetic Stud Finder

Family Handyman rated it Most Durable. With no battery door, screen, or circuit board, there is almost nothing to break.

Trust
10% of score +
Franklin Sensors
78
C.H. Hanson
70
Franklin Sensors ProSensor M210

Franklin Sensors is the review-press favorite in this category, taking top honors at CNN, Outdoor Life, and Your Best Digs, yet it lacks the retail footprint of Bosch or Craftsman.

C.H. Hanson Magnetic Stud Finder

C.H. Hanson is a long-running hand-tool maker and this model is the near-universal budget pick, showing up in Bob Vila, HGTV, and Outdoor Life roundups.

Power
5% of score +
Franklin Sensors
70
C.H. Hanson
100
Franklin Sensors ProSensor M210

Runs on two common AA cells with a low-battery indicator, so no proprietary pack to chase.

C.H. Hanson Magnetic Stud Finder

No batteries, ever. It works the day you buy it and every day after with zero upkeep.

02

Strengths & Weaknesses

Franklin Sensors ProSensor M210

+ Strengths
  • CNN Underscored and Outdoor Life both crowned it Best Overall in hands-on testing
  • The 13-sensor band shows both stud edges at once, so you find the true center without sweeping back and forth
  • Live AC wire detection warns you before you drill into a cable
Weaknesses
  • The 1.7-inch depth limit falls short of the Bosch GMS 120 on plaster or double-drywall walls
  • Franklin sells mostly online, so you cannot grab one off a big-box shelf the way you can a Craftsman
  • Consumer-grade plastic housing is not sealed for daily job-site abuse
Key flaw: The 1.

C.H. Hanson Magnetic Stud Finder

+ Strengths
  • Cited as the best magnetic pick across five separate expert roundups, more than any other product in the category
  • No batteries and no electronics, so it works instantly and outlives every powered rival
  • Family Handyman rated it Most Durable, and the built-in rotating level doubles its usefulness
Weaknesses
  • It finds the metal fasteners, not the wood, so you read the stud center indirectly
  • No wood sensing and no live-wire alert like the electronic picks provide
  • Shallow reach struggles on thick plaster or walls with few surface fasteners
Key flaw: Because it locks onto metal fasteners rather than the wood, you read the stud position indirectly, and on a wall with few surface screws you can come up empty in spots.
03

The Verdict

Our Bottom Line

The Franklin Sensors ProSensor M210 took Best Overall at both CNN Underscored and Outdoor Life, and Your Best Digs ranked the same ProSensor line at the top of its comparison. What sets it apart is how it works. Instead of a single sensor that beeps as you sweep it across the wall and hope you caught the center, the M210 packs 13 fixed sensors into a 7-inch band. Set it on the wall and a bright LED strip lights up over the full width of the stud, showing both edges at once.

BEST
Franklin Sensors ProSensor M210
Franklin Sensors ProSensor M210 stud finder, 3/4 perspective view showing the yellow-and-black body and built-in bubble level

The Franklin Sensors ProSensor M210 took Best Overall at both CNN Underscored and Outdoor Life, and Your Best Digs ranked the same ProSensor line at the top of its comparison. What sets it apart is how it works. Instead of a single sensor that beeps as you sweep it across the wall and hope you caught the center, the M210 packs 13 fixed sensors into a 7-inch band. Set it on the wall and a bright LED strip lights up over the full width of the stud, showing both edges at once.

Best for:
  • DIYers who want one finder that reliably nails the stud center on drywall
  • Remodelers hanging cabinets, shelves, or TVs who need both edges marked fast
  • First-time buyers who are done fighting with cheap beeping sensors
  • Anyone who wants a live-wire warning built into the same tool
  • People who value a no-calibration, set-and-read workflow
VALUE
C.H. Hanson Magnetic Stud Finder
C.H. Hanson 03040 magnetic stud finder front view showing bull logo and rotating level window

The C.H. Hanson Magnetic Stud Finder costs around fourteen dollars and shows up as the best magnetic pick in five separate expert roundups, more than any other product in this category. It has no battery, no screen, and no circuit board. Two rare earth magnets snap onto the screws and nails that hold the drywall to the stud, then hang there hands-free while you mark the spot. A built-in rotating level helps you carry that mark plumb.

Best for:
  • Homeowners who hang pictures and shelves a few times a year
  • Renters who want a cheap tool that lives in a drawer
  • Anyone who hates dealing with dead batteries at the wrong moment
  • Buyers on a strict budget who still want a trusted, durable pick
  • People who want a built-in level in the same hand tool
04

Specifications

Spec Franklin Sensors ProSensor M210 C.H. Hanson Magnetic Stud Finder
Type Electronic, 13 sensors Magnetic (rare earth)
Scan Width 7 in one-pass
Depth 1.7 in ~1 in metal
Live Wire Yes (AC alert)
Display 21-LED + wire meter
Power 2x AA No batteries
Level Rotating 2-way level
Finds Screws & nails
Weight 2.4 oz
Read the full Stud Finders review
Menu