Specific Size & Weight Comparison ::
Size in MM	Specific Weight g.mtr	BIS STANDARD Tolerance grms / Mtr.		Regency Tolerance grms / Mtr.
		Min.	Max	Min.	Max
8	395	367	423	367	395
10	617	574	660	574	617
12	888	844	932	844	888
16	1580	1500	1659	1500	1580
20	2470	2396	2544	2396	2470
25	3850	3735	3965	3735	3850
28	4830	4685	4975	4685	4830
32	6310	6120	6499	6120	6310