These are round, straight pull, stainless steel, round head spokes.  Comes with a nipple.  These spokes fit the following wheels:

2015+ Aksium Elite

2018+ Crossmax 29

If you are unsure which spokes you need to order or are unsure how to determine the model and/or year of your wheel,  here's a short video about what I use to ID a Mavic wheel.