These are Black ROUND straight pull Zicral spokes with integrated and self-locking New M7 (6.4mm) nipples and are for the following wheels:
2015+ Crossmax ST 27.5" (IS)
2015+ Crossmax ST 27.5? (CenterLock)
This spoke has the new M7 nipple; thus, you need to use the new spoke wrench part # 99607901
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.