Are these 1.3 gram foam darts any good? #nerf #blaster

Product Link:
https://m.tb.cn/h.ggUi7765yeaIsvX?tk=...

Timestamps:
0:00 Intro
0:25 Dart Weight Test
0:46 Press Test
1:23 Measurements
1:55 Durability Test
2:25 Chronograph Test with Pyro
5:26 Chronograph Results with Pyro
5:45 Chronograph Test with Diana
6:37 Chronograph Results with Diana
6:46 30m Range Test with Pyro
10:14 Test Results with Pyro and Conclusion
11:26 10m Range Test with Diana
12:29 Test Results with Diana and Conclusion