R(series) (?)

.20
.25
.30
.40
.50
.60
.80
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.0-
1.2
1.2-
1.5
1.5-
1.7
1.8
10
12
15
18
2.0
2.0-
2.2
2.5
250m
3.0
3.5
300m
350m
4.0
5.0
500m
6.0
6.5
600m
7.0
8.0
9.0