The package includes one Throat and PTFE component. Note that this particular product is only compatible with the ZSY 2 IN 1 OUT or 3 IN 1 OUT Hotend models. Please see the images below for a detailed look at the item.
SIMAX3D® Stainless Steel Hotend Nozzle Throat, 1.75mm Filament, 4mm to 2mm, Pack of 5 for 3D Printer
$10.99
Tevo® 10*10mm Plastic Towline for 3D Printer - 1m Length
$10.99
3D Printer Part – ZSY Hotend Extruder Multi-Color Hotend with PTFE Tube, 2-in-1-out & 3-in-1-out, TC-02 Throat VS V6 Throat
$10.99