Assists in installing fuel line fittings (NOT INCLUDED) on 5/16" & 3/8" nylon fuel line (NOT INCLUDED). 1- 5/16" - 3/8" Straight Connector holder. 1 - 5/16" - 3/8" 90 Degree Connector holder (NEW version now fits both round (Dorman) and square (Chinese) fittings. ).
