Aina: L4 - M6*0.75, bomba la mafuta la 4mm, nyuzi OD 6mm, umbali wa ncha 0.75mm; L4 - M6*1,4mm bomba la mafuta, nyuzi kipenyo cha nje 6mm, umbali wa ncha 1mm; L6 - M6*0.75,6mm bomba la mafuta, nyuzi kipenyo cha nje 6mm, umbali wa ncha 0.75mm; L6 - M6*1,6mm bomba la mafuta, kipenyo cha nje 6mm, umbali wa ncha 1mm.
