Tools / MERLIN / Air Tools & Compressors
MERLIN · SKU 57628
1/4 in. Color-Coded Industrial Coupler and Plug Set, 14-Piece
$24.99shelf price since Sep 25
67% above lowest
✓ Price checked Sep 25
No coupon right now. Last one ended Jul 3, 2026.
📍 In stock near you? Check Stock At Your Store (pick your store on Harbor Freight's page once and it remembers).
Harbor Freight's "compare to" price: $39.99
Something Wrong Here?
Buy Now Or Wait?
Wait For A Deal
- It usually gets a deal about every 2 months. The last one started 100 days ago.
- The usual deal price is $15.99, $9.00 less than today.
- It's due for a deal any day now.
Price Per Piece
$1.78 each ($24.99 for 14)
Lowest Ever$14.99
Typical Coupon$15.99most common price
Coupons On Record3since Feb 2026
Days Since A Coupon87
Deal Score1 / 10wait
Price History
Shelf PriceCouponITC CouponParking Lot SaleSale DaysLowest EverComing Up
Each drop runs from the shelf price down to the deal price. The longer the drop, the bigger the savings.
Tap or hover a day to see its best price.
No deal
Under 15% off15 to 30% off
30%+ offLowest ever
Parking Lot SaleComing up
Where Today's Price Sits
$14.99 lowest$24.99 highest
Best Months For Deals
Jan
Feb1
Mar
Apr
May1
Jun
Jul1
Aug
Sep
Oct
Nov
Dec
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Coupon History 3 On Record
| Price | Type | Ended |
|---|---|---|
| $14.99 | ITC | Jul 3, 2026 · Coupon |
| $15.99 | ITC | May 1, 2026 |
| $15.99 | ITC | Feb 26, 2026 |
Parking Lot Sale History
Not in a Parking Lot Sale we've tracked.
Usually couponed in Jul, May, Feb. Waiting is the smart play.
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