Farsamada:

	Nooca	Ku haboon Goynta Siliga (mm2)	Cabirka ugu muhiimsan (mm)					Lambarka Bolt	Miisaanka (kg)
			B	M	L	R	H
	JBB-1	6.6 ~ 7.8	44	12	90	4.5	50	2	0.62
	JBB-2	9.6 ~ 11.0	50	16	90	6.0	60	2	0.82
	JBB-3	13.0 ~ 14.0	56	16	124	7.0	65	3	1.90

Xusuusin:

1. Jirka isku dhejiska ah iyo saxanadda daboolku waa shubid bir ah oo la dareemi karo, dhammaan galvanized-kulul

2. Macnayaasha xarfaha moodeelka iyo tirooyinka shaxda ku jira waa: J-ku xidhan;B– Isbarbar yaaca;B-khadka hillaaca;nambarku wuxuu tilmaamayaa xadhigga birta ee lagu dabaqi karo