Iki gicuruzwa ni“C”Imiterere y'uruhererekane.Ibicuruzwa bifite ubwoko bubiri busanzwe bwa 15GA na 16GA burahari kugirango uhitemo. Diameter yumubiri wumusumari ifite ubwoko bubiri bwihariye bwa 1.6mm na 1.8mm.Ubugari bwa“C”Imiterere ifite ubwoko bubiri butandukanye bwa 16.9 na 23.7, bujuje ibisabwa kugirango hakoreshwe ubwoko butandukanye bwimbunda ya gasi.