Dhuumaha Birta ee Qabow

Qalabka: birta duuban ee qabow
Dhexroor wareega: 12mm ilaa 100mm
Dhexroorka labajibbaaran iyo leydi: 12x12mm ilaa 100x100mm; 8x16mm ilaa 50x100mm
Dhumucda: 0.8mm ilaa 2.2mm
Codsiga: tubbada birta alaabta guriga iyo qaab dhismeedka kale ee tuubada birta.