



🔩 Unlock hard-to-reach HVAC valves with precision and confidence!
The Klein Tools 86939 Hex Adapter converts any 1/4-Inch square wrench opening into 3/16 and 5/16-Inch hex sizes, ideal for HVAC and refrigeration professionals. Featuring a spring-loaded ball bearing lock for secure attachment, this compact, durable alloy steel adapter offers reliable access to tight valves. Proudly made in the USA, it embodies over 160 years of Klein’s trusted craftsmanship.
| ASIN | B07HFDT6SX |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | Black |
| Colour | Black |
| Customer Reviews | 4.5 out of 5 stars 117 Reviews |
| Finish Types | Powder Coated |
| Global Trade Identification Number | 00092644692390 |
| Head Style | Fixed Square |
| Included Components | Tools & Accessories |
| Item Length | 2.13 Inches |
| Item Type Name | Klein 86939 Hex Key Adapter for Refrigeration Wrench |
| Item Weight | 0.7 Ounces |
| Item length | 2.13 Inches |
| Item package quantity | 1 |
| Item weight | 0.7 Ounces |
| Manufacturer | KLEIN TOOLS |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | 86939 |
| Operation Mode | Mechanical |
| Package Quantity | 1 |
| UPC | 092644692390 |
| Unit Count | 1.0 Count |
I**M
for a small tap in the A/C.
T**H
5/16 too small
T**K
Worth it!
P**2
Quality made and fits my Goodman CU
C**L
For HVAC service wrench bit
Trustpilot
1 month ago
2 days ago