HKS Tone Fitting AN/Inch Wrench Set (15999-RK015)
HKS Tone fitting wrench set includes 6 wrenches to adjust most popular sized fittings including Earls's, Aeroquip and HKS. Durable steel wrenches are thin but strong, perfect for cramped engine spaces.
Purchase Includes:
(6) Wrenches
(1) Case
| AN Wrench: | Inch Wrench: | Typical Use: |
| -3AN | 1/2" | Brake/Clutch Line, NOS, etc |
| -4AN | 9/16" | Turbo Oil Line, etc |
| -6AN | 11/16" | Fuel Line, etc |
| -8AN | 7/8" | Oil Cooler, Power Steering, Fuel Line, etc |
| -10AN | 1" | Engine Coolant, etc |
| -12AN | 1 1/4" | Engine Coolant, etc |
See more HKS Products
![]() |
WARNING: Cancer and Reproductive Harm www.p65warnings.ca.gov |

