The Stanley Intelli Tools Stud Sensor 300 uses OnePass centre-find technology to locate edges of studs joists or live AC wires through drywall or other common building materials. Once the edge of the stud has been detected the Stud Sensor 300 displays red LEDaposs and sounds an audible tone. It has a V-shaped marking channel with an LED that allows for accurate marking. It can perform a deep metal scan of up to 75mm 3in. The sesnsor has a backlit LCD screen that is ideal for low light conditions and an ergonomic design with soft grip to ensure comfortable use. Specification Max Detection Depth WoodMetal Stud 38mm 1.12in AC Current 50mm 2in. Input Power 1 x 9 Volt Battery Not Included.
The Stanley Intelli Tools Stud Sensor 300 uses OnePass centre-find technology to locate edges of studs joists or live AC wires through drywall or other common building materials. Once the edge of the stud has been detected the Stud Sensor 300 displays red LEDaposs and sounds an audible tone. It has a V-shaped marking channel with an LED that allows for accurate marking. It can perform a deep metal scan of up to 75mm 3in. The sesnsor has a backlit LCD screen that is ideal for low light conditions and an ergonomic design with soft grip to ensure comfortable use. Specification Max Detection Depth WoodMetal Stud 38mm 1.12in AC Current 50mm 2in. Input Power 1 x 9 Volt Battery Not Included.
The Stanley Intelli Tools Stud Sensor 300 uses OnePass centre-find technology to locate edges of studs joists or live AC wires through drywall or other common building materials. Once the edge of the stud has been detected the Stud Sensor 300 displays red LEDaposs and sounds an audible tone. It has a V-shaped marking channel with an LED that allows for accurate marking. It can perform a deep metal scan of up to 75mm 3in. The sesnsor has a backlit LCD screen that is ideal for low light conditions and an ergonomic design with soft grip to ensure comfortable use. Specification Max Detection Depth WoodMetal Stud 38mm 1.12in AC Current 50mm 2in. Input Power 1 x 9 Volt Battery Not Included.
The Stanley Intelli Tools Stud Sensor 300 uses OnePass centre-find technology to locate edges of studs joists or live AC wires through drywall or other common building materials. Once the edge of the stud has been detected the Stud Sensor 300 displays red LEDaposs and sounds an audible tone. It has a V-shaped marking channel with an LED that allows for accurate marking. It can perform a deep metal scan of up to 75mm 3in. The sesnsor has a backlit LCD screen that is ideal for low light conditions and an ergonomic design with soft grip to ensure comfortable use. Specification Max Detection Depth WoodMetal Stud 38mm 1.12in AC Current 50mm 2in. Input Power 1 x 9 Volt Battery Not Included.
Last updated at 06/09/2026 00:54:25
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Stanley S300 Stud Sensor Finder Fatmax Fmht77407 Exc Cond Free Postage
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Free delivery
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New Stanley FatMax Sensor Stud Finder No.S300
Free delivery
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Stanley Stud Sensor Finder Fatmax S300 Fmht77407
Free delivery
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originally posted on B&Q - DIY.com
Gives different results each time I use it. Have calibrated it correctly according to Stanleys YouTube video but it tells me my walls are live, then I do it again and they're not. Makes no sense. Awkward to use. Do not waste your money, would give better rest if you made your own out of old newspapers and a banana skin.
originally posted on B&Q - DIY.com
This is one of the worst product I have ever bought:- The calibration process simply doesn't work. The unit will tell you that ether the entire wall is electrified or that none of it is.- The manual is worse than useless - just a collection of meaningless pictures (literally no words in it)- As a minor point, it is uncomfortable to hold.Save yourself 40 quid and buy a blindfold and pencil instead. You will be no worse off than if you used this tool.
originally posted on B&Q - DIY.com
I bought this to replace a cheap no-name stud detector that I had had for 25 years or more. Unfortunately, not using it frequently, the batteries got left in and leaked. I bought a Stanley because I considered it a good make. I was very disappointed. It failed to locate studs reliably and reported electricity continuously. I returned the unit and got a refund.
| Style | Tools |
Stanley Fmht77407 Fat Max Stud Finder Stud Finder
Delivery $20
Stanley S300 Fatmax Sensor Stud Finder Stud Finder
Delivery $17.75
Stud Finder Stanleyfmht77407 Stud Finder
Delivery $20
Stanley Fatmax S300 Wood Metal Stud Sensor Ac Live Wire Detection
Delivery $10.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Stanley S300 Stud Sensor Finder Fatmax Fmht77407 Exc Cond Free Postage
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Gives different results each time I use it. Have calibrated it correctly according to Stanleys YouTube video but it tells me my walls are live, then I do it again and they're not. Makes no sense. Awkward to use. Do not waste your money, would give better rest if you made your own out of old newspapers and a banana skin.
This is one of the worst product I have ever bought:- The calibration process simply doesn't work. The unit will tell you that ether the entire wall is electrified or that none of it is.- The manual is worse than useless - just a collection of meaningless pictures (literally no words in it)- As a minor point, it is uncomfortable to hold.Save yourself 40 quid and buy a blindfold and pencil instead. You will be no worse off than if you used this tool.
I bought this to replace a cheap no-name stud detector that I had had for 25 years or more. Unfortunately, not using it frequently, the batteries got left in and leaked. I bought a Stanley because I considered it a good make. I was very disappointed. It failed to locate studs reliably and reported electricity continuously. I returned the unit and got a refund.
Not convinced this is completely reliable which is a shame for the price. Any metal seems to trigger the electric warning. It also seems to alert a wider area than is in fact the case, which is not what you need if you have a precise need to know where cabling is. I will use it as an indicator that I need to proceed with caution rather than be confident it is accurate.Seems to be better with stud work. Bit disappointed if I'm honest, but all the reviews for this sort of kit say the same. I'll still use it but more as a guide than a definite.
Bought this item in hopes it would find wooded studs and live wires but it is completely unreliable/useless. Random detection at best, would definitely not recommend wasting your money! About as much good as a chocolate tea pot!
Doesn't really do anything with any reliability. Long winded calibration needs to be done every time. Ridiculously over sensitive AC detection to over 500mm away from the source. Cannot be calibrated for this. A child's toy and nothing more.
Bought this as I trust the Stanley Brand, however, this product did'nt live up to the reputation.Tried locating wiring / pipes in a new home but the FatMax would go off randomly when testing it on walls. Tested above wall sockets but never beeped so can't trust it in areas I can't get too.B&Q refunded without issue.
Have tried calibrating plenty of time on various sections of wall and still get different results every time. Have returned for a refund, but even this is a pain as the packaging gets damaged when opening which is unavoidable. I’d avoid without question!
Very accurate device. Compact and good value for money. Woodies Castlebar were the only stockist in co mayo, in Dec 2020. Click & collect. Helpful & friendlyy staff, both on the phone & in store. Couldn't have been easier.
I have a stud and cable detector which is about fifteen years old and decided to replace it with what should have been something very much better. I feel that this product is almost a complete waste of time and money. I have persevered with it and agree that you do have to learn a technique to get results from it. I still have no confidence in this tool and always use my ancient detector which consistently produces a better result. I would never recommend this product to anyone. B&Q should in my opinion refuse to stock it.
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