category human_arms_out has 21 models

0, m218
1, m220
2, m222
3, m224
4, m226
5, m228
6, m230
7, m232
8, m234
9, m236
10, m238
11, m240
12, m242
13, m244
14, m246
15, m248
16, m250
17, m252
18, m254
19, m256
20, m258