Harbor Freight prices › Air Tools & Compressors › Air Compressor Accessories
MERLINitem 57571
5-in-1 Safety Coupler
Base price$12.99
Benton Harbor, MI shelf$13.99$1.00 over the online shelf price
$12.99 is about its normal price.
- It went 25% off (around $9.50) in late December two years ago. One sale is a hint, not a pattern.
Price alert
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The numbers
- Today
- $12.99
- Usual price
- $12.99
- 90-day low
- $11.04
- Lowest tracked
- $8.99
- Coilhose Pneumatics equivalent
- $21.66
Jan 9, 2025
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 | $13.99$1.00 over | $12.99 |
Price history
$10$12
AugJan ’23JunNovAprSepFebJulDecMay
Best price for anyoneInside Track Club priceRegular price
Every price change
| When | Price | Members | Why |
|---|---|---|---|
| Nov 2, 2026 to Nov 5, 20264 days, checked 0x | $12.99 | Regular price | |
| Oct 30, 2026 to Nov 1, 20263 days, checked 1x | $11.0415% off | 15% off any single item (one item a day) | |
| Oct 29, 20261 day, checked 0x | $12.99 | $11.04 | Regular price |
| Mar 20, 2026 to Oct 28, 2026223 days, checked 3x | $12.99 | Regular price | |
| Jan 10, 2025 to Mar 19, 2026434 days, checked 0x | $11.99 | Regular price | |
| Dec 27, 2024 to Jan 9, 202514 days, checked 0x | $8.9925% off | Coupon | |
| May 26, 2023 to Dec 26, 2024581 days, checked 1x | $11.99 | Regular price | |
| Sep 30, 2022 to May 25, 2023238 days, checked 1x | $10.99 | Regular price | |
| Jun 5, 2022 to Sep 29, 2022117 days, checked 1x | $9.99 | Regular price |
Tracking since Oct 17, 2026. Last checked Nov 1, 2026.