This hardened steel tip is required when purchasing the  IMER Fine Coatings Gun ONLY (1107011) This gun is used with the IMER Small 50 sprayer and with the Koine 35 Sprayer. 

All 4 tips are only included when purchasing the Fine Coatings Gun KIT (1107010) 

This tip is used for painting, waterproofing, fine acrylic coatings, and for smoothing and spacing.

This is the tip with the 6mm (1/4”) opening - Part Number 1107562