Fasaha:

	Nau'in	Dace da Yankan Waya (mm2)	Babban Girma (mm)					Lambar Bolt	Nauyi (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

Bayanan kula:

1. Jikin matsewa da farantin rufin simintin ƙarfe ne na malleable, duk zazzafan tsoma galvanized

2. Ma'anar haruffan samfuri da lambobi a cikin tebur sune: J-haɗe;B– Daidaitaccen Tsagi;B-Layin walƙiya;lambar tana nuna madaidaicin madaurin karfe