SIZE	INSIDE LENGTH (mm)	INSIDE WIDTH (mm)	WEIGHT/M (kg)
2	12	3.5	0.07
3	16	4.2	0.16
4	16	5.0	0.32
5	18.5	6.0	0.5
6	18.5	7.2	0.8
7	22	8.4	1.1
8	24	9.6	1.4
9	27	10.8	1.8
10	28	12.0	2.2
11	31	13.2	2.7
12	36	14.4	3.1
13	36	15.6	3.85
14	41	16.8	4.4
16	45	19.2	5.7
18	50	3421.6	7.3
19	53	22.8	8.0
20	125	24.0	9.0
22	62	26.4	11.0
23	64	27.6	12.0
26	73	31.2	15.0
28	78	33.8	18.0
30	84	41.0	19.5
32	90	43.0	23