Atomic Aquatics ST1 Regulator 1st and 2nd Stages

Pre-owned Atomic Aquatics ST1 Regulator 1st and 2nd Stages.  Both stages have been tested and are in working condition, no leaks.  There are normal cosmetic signs of previous use.  The 2nd stage is on a swivel hose.  All ports are plugged on the 1st stage (4LP, 2HP).