These two jugs are an asymmetrical pair; a mirror image of each other. The left hand hold only works for the left hand and the right hand hold only works with the right hand. Each hold is designed to rotate your shoulders and wrists which makes it more comfortable to pull up.
On a vertical hang board = Feels like V0.
On a 110 degree system wall = Feels like V1.
Sold as a set of 2 holds.