Those are likely AP-105-MNT-DC, which Aruba doesn't carry on our price list but should be easily found out on the internet (CDW, Amazon, etc).
Ignore the above. You want the AP-105-MNT-C (for 9/16" and 5/16" rails) or the AP-105-MNT-C2 for the SIlhouette or Interlude style rails.