Harbor Freight prices › Hand Tools › Measuring Marking
FRANKLIN SENSORSitem 57219
ProSensor M150 Stud Finder
Base price$38.99
Members' price$38.99
Everyone else$38.99
Benton Harbor, MI shelf$38.99same shelf price as online
$38.99 is a regular-price bump from $36.99, with no sale or coupon announced and almost no sale history.
$38.99 is a bit over its usual $36.99.
- It went 20% off (around $31) in early December two years ago. One sale is a hint, not a pattern.
Why it's Fair
The price crept up from $34.99 to $36.99 in April 2025 and to $38.99 in mid-October 2026, and it has only gone on sale once in the record: $32.99 from May to July 2024, about 6% off. One sale isn't a pattern, and nothing is announced now. It's a little above the recent $36.99, but the record gives no good reason to hold out for a drop, and the price has mostly been moving up.
Written by AI from this item's price record and coupons. The prices on this page are the record itself.
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The numbers
- Today
- $38.99
- Usual price
- $36.99
- 90-day low
- $33.14
- Lowest tracked
- $32.99
- Today, members
- $38.99
- Usual for members
- $36.99
- 90-day low
- $33.14
- Lowest tracked
- $27.99
Jul 19, 2024
Dec 30, 2024
Prices by store
Harbor Freight prices some items differently by store, and once you pick a store its site shows that store's shelf price. These come from contributors who share their store; the main price above is the base price, the one HF shows before you pick a store.
| Store | Today | Usually |
|---|---|---|
| Benton Harbor, MI store 583, checked Oct 17, 2026 | $38.99 | $38.99 |
Price history
Best price for anyoneInside Track Club priceRegular price
Every price change
| When | Price | Members | Why |
|---|---|---|---|
| Nov 2, 2026 to Nov 5, 20264 days, checked 1x | $38.99 | Regular price | |
| Oct 30, 2026 to Nov 1, 20263 days, checked 0x | $33.1415% off | 15% off any single item (one item a day) | |
| Oct 29, 20261 day, checked 0x | $38.99 | $33.14 | Regular price |
| Oct 16, 2026 to Oct 28, 202613 days, checked 1x | $38.99 | Regular price | |
| Jun 27, 2025 to Oct 15, 2026476 days, checked 0x | $36.99 | Regular price | |
| May 30, 2025 to Jun 26, 202528 days, checked 0x | $36.99 | $32.99 | Regular price |
| Apr 1, 2025 to May 29, 202559 days, checked 1x | $36.99 | Regular price | |
| Dec 31, 2024 to Mar 31, 202591 days, checked 0x | $34.99 | Regular price | |
| Dec 30, 20241 day, checked 0x | $34.99 | $27.99 | Regular price |
| Dec 2, 2024 to Dec 29, 202428 days, checked 0x | $34.99 | $27.99 | Regular price |
| Jul 20, 2024 to Dec 1, 2024135 days, checked 1x | $34.99 | Regular price | |
| May 18, 2024 to Jul 19, 202463 days, checked 1x | $32.996% off | Sale price | |
| Aug 17, 2022 to May 17, 2024640 days, checked 1x | $34.99 | Regular price | |
| Jun 5, 2022 to Aug 16, 202273 days, checked 1x | $36.99 | Regular price |
Tracking since Oct 16, 2026. Last checked Nov 3, 2026.