Works with Flexfab
5526-031 5/16" Silicone Heater Hose
5526-025 1/4" Silicone Heater Hose
These are custom made clamps for small sized heater hose.
These are lined so the hose will not extrude these are the only clamps we recommend for Silicone heater Hose.
They don't have a size range because they are made specifically for the 1/4" and 5/16" Heater Hose.