BLACKHAWK serpa level 2 duty holsters for taser-x26 based on popular Tactical serpa holster by BLACKHAWK, this jacket Slot belt loop version gives both the Tactical and Patrol Officer the serpa's retention and speed in a duty style holster. Whether worn as a part of your duty rig or as a belt mounted holster for Tactical use, you get the same great BLACKHAWK serpa system but in a duty holster..