This aluminum hard line equals the following equivalent 1:1 size at each scale.
1/25 scale = 1 1/4"
1/16 scale = 3/4"
1/12 scale = 7/16"
1/8 scale   = 3/8"

Depending on your scale, typical uses are fuel and oil lines. Fuel lines from the fuel pump to the barrel valve, barrel valve to the distribution blocks, fuel return lines and hard lines from the fuel cell.  Oil lines to remote filters as well as coolant lines. Can also be used for A/C and heater lines. 

This solid core aluminum is easy to bend and shape to your installation.

Use hex fittings sized at .035 and drill out slightly if needed or brass Ferrule Fittings.

We're about half of the price you'll find elsewhere.

Each package contains one coil of .035 x 18"