





🌿 Unlock your garden’s full potential with the Underhill Quick Coupler Key!
The Underhill QK-100 Quick Coupler Key is a precision-engineered irrigation tool featuring a 1-Inch MPT x 3/4-Inch FPT outlet, crafted from solid brass with stainless steel components for superior durability. Compatible with major brands like Rain Bird and Toro, it offers heavy-duty galvanized handles for easy, professional-grade operation, backed by a 2-year warranty to ensure reliable garden watering performance.










| ASIN | B003TLN7Z2 |
| Best Sellers Rank | #423,102 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,521 in Hex Keys |
| Brand Name | Underhill |
| Color | Red |
| Customer Reviews | 4.4 4.4 out of 5 stars (45) |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00732185000406 |
| Included Components | hose clamp |
| Item Dimensions | 14 x 4 x 6 inches |
| Item Weight | 1.75 Pounds |
| Manufacturer | Underhill |
| Manufacturer Warranty Description | Underhill International offers a 2-year, no hassle warranty for every product we manufacture. After 30-day Amazon policy, please contact Underhill International directly for any warranty claims. |
| Material Type | Brass |
| Model Number | QK-100 |
| Number of Pieces | 1 |
| Size | 1-Inch MPT x 3/4-Inch FPT - QK-100 |
| UPC | 732185000406 |
A**X
Bang for the buck.
Fits perfectly and works great
J**S
Golf course
Item is as described, perfect for golf course use as I intended. Cheers
J**F
Exactly what was needed
Was a little concerned at first since the device was a little different than the original but it works perfectly as designed.
P**L
Perfect fit
If you have a sprinkler system with the under hill valve - you need this key to turn on and off the system between seasons
R**C
Used at a local high school
Perfect for what we needed
V**.
Five Stars
works great
Trustpilot
2 months ago
2 weeks ago