The 6” Black Cake Perc Dab Rig is one of our sturdier glass units. This uniquely designed dabbing rig sits nearly 6” high and is compatible with dab nails that are 18mm in size (one of which is included). A built-in cake percolator helps to iron out your hits for silky plumes. Formulated with a sleek, design it is crafted with a thick translucent black heat-resistant glass. Height: 6″ inches Size: 14mm Material: Glass Style: Cake perc Type: Dab Rig Color: Black