Rozmiar	Średnica wewnętrzna w mm	Obwód wewnętrzny w mm
5	14.32 mm	45.00 mm
6	14.64 mm	46.00 mm
7	14.96 mm	47.00 mm
8	15.28 mm	48.00 mm
9	15.60 mm	49.00 mm
10	15.92 mm	50.00 mm
11	16.23 mm	51.00 mm
12	16.55 mm	52.00 mm
13	16.87 mm	53.00 mm
14	17.19 mm	54.00 mm
15	17.51 mm	55.00 mm
16	17.83 mm	56.00 mm
17	18.14 mm	57.00 mm
18	18.46 mm	58.00 mm
19	18.78 mm	59.00 mm
20	19.10 mm	60.00 mm
21	19.42 mm	61.00 mm
22	19.74 mm	62.00 mm
23	20.05 mm	63.00 mm
24	20.37 mm	64.00 mm
25	20.69 mm	65.00 mm
26	21.01 mm	66.00 mm
27	21.33 mm	67.00 mm
28	21.65 mm	68.00 mm
29	21.96 mm	69.00 mm
30	22.28 mm	70.00 mm
31	22.60 mm	71.00 mm
32	22.92 mm	72.00 mm
33	23.24 mm	73.00 mm
34	23.55 mm	74.00 mm
35	23.87 mm	75.00 mm
36	24.19 mm	76.00 mm
37	24.51 mm	77.00 mm
38	24.83 mm	78.00 mm
39	25.15 mm	79.00 mm