Injector Head is one of the seven major components of coiled tubing unit.

Injector Head-Function
Run, Pull and hold CT string inside the well bore.

Injector Head-capacity & main components
Injector comes with the pulling capacity of 40, 60, 80, 100 and 160 thousand lbs.
Main components of Injector Head include.
*Gooseneck
*Chain system
*Drive and brake system
*Weight measurement system

Gooseneck is curved shaped equipment used to guide the CT pipe into the injector head.