Lines and Fittings (all scales)

Soft Line - Hose .020", .5mm OD

This soft line equals the following equivalent 1:1 size at each scale.1/25 scale = 1/2"1/16 scale = 1/4" or 5/16"1/12 scale =1/4"1/8 scale  = 1/8"Typical uses are small oil, vacuum and fuel lines, especially fuel & nitrous delivery at the the...

Blown Engine Fuel Plumbing Schematics

NEW AND UPDATED All the information you need to plumb the fuel lines on an early or modern blown engine. A few lines can be changed to represent older blown engines.Covers all the fuel lines from the fuel cell to the injectors, listed in 4 different...

Soft Line - Hose or Cable .039", 1mm OD

This is a soft, solid rubber line that bends easily and smoothly.  It's able to bend at a sharp angle without kinking. This makes perfect spark plug cable for 1/12 scale.  It drapes natually and looks proportional to the larger engine...

Brake, Nitrous or Fuel Line .010, .25mm Dia

This solid aluminum line is the smallest available.  It's soft to bend and will not kink, even at tight angles. It straightens out easily and will conform to any shape you want.This aluminum 'hard' line equals the following equivalent 1:1 size at...

Soft Line - Hose Assortment Sample Package

Here's a great way to try out seven different sizes of my black hoses/soft lines. These are either real rubber or other material to simulate rubber lines. More detail can be found (along with ideas of its use) under the individual item listing for...

Soft Line - Hose .059", 1.5mm OD Dia.

This a soft solid rubber-like soft line with a slight texture and slight shine to it. It is easily configured to the space you have. It's able to bend at a sharp angle without kinking.This soft line equals the following equivalent 1:1 size at each scale...

Hex Braided Line Fittings .060

These hex fittings are compatible with the .060 diameter Braided Line and .065 aluminum hard line.   Make your own AN fittings using Pro Tech's aluminum Hex Fittings.For a realistic anodized appearance on these aluminum fitting, use Duplicolor...

Soft Line, Hollow .048", 1.24mm OD

This is a soft vinyl tubing with a slight sheen and will bend easily.. For a real rubber line that is close in size, see this .050" line. Dimensions: .048" OD .018" ID 12" Length  Equivalent 1:1 dimensions: 1/25 scale - 1-1/4"1/18 scale -...

Fuel or Brake Hard Line .020, .52mm Dia

This solid aluminum line is soft to bend and will not kink, even at tight angles. It straightens out easily and will conform to any shape you want.This aluminum 'hard' line equals the following equivalent 1:1 size at each scale.1/25 scale = 1/2"1/16...

Hex Braided Line Fittings .080

These hex fittings are compatible with the .080 diameter Braided Line and .078 aluminum hard line.   Make your own AN fittings using Pro Tech's aluminum Hex Fittings.For a realistic anodized appearance on these aluminum fitting, use Duplicolor...

Aluminum RED Hard Line - Various Sizes

This soft red aluminum line is available in multiple sizes for different uses.  The color has an anodized look to it with a satin shine. It is very soft and will bend easily without kinking.  It can also be straightened out and is firm enough...

Soft Line Hose .098, 2.5mm OD & Roll Bar Padding in 1/25

This a soft rubber tubing (hollow) that is easily configured to the space you have. It's able to bend at a fairly sharp angle without collapsing.  The hollow ends make it easy to attach to objects with a placement of a pin or stud they may already...