IHikelok ineemveliso ezahlukeneyo, kuquka iivalvu zezixhobo kunye nezinto zokufakelwa, iimveliso zoxinzelelo oluphezulu kakhulu, iimveliso zobumsulwa obuphezulu kakhulu, iivalvu zenkqubo, iimveliso zokucoca, inkqubo yokulinganisa, inkqubo yokufakela kwangaphambili, iyunithi yoxinzelelo kunye nezixhobo zezixhobo.
Izigqubuthelo zezixhobo zokucoca izixhobo zeHikelok ziqulathe uthotho lwe-U, UE, UT, MC, VA, FN, O-ring. Ubungakanani buqala kwi-1/16 ukuya kwi-1 1/2 intshi.
