This 2pc Ground Glass Hands Free Wand comes with a half kit. The half kit includes: tubing, 1 o-ring, 3 mesh screens, and a sticker.
This wand does fit over the ground glass cover of a ground glass Hot Box. This is ONLY FOR A GROUND GLASS Hot Box unit. This wand allows you to place the upper wand over the glass cover to freely vaporize and have no worries about the wand slipping out of the unit. Just give the upper ground glass wand a slight turn over the ground glass cover and you will notice it not moving from its place.