This 14mm to 18mm Female Ceramic Domeless Nail is designed to fit any 14mm and 18mm joint dab rigs. It features a ribbed design between the cup and the joint which allows heat to dissipate before reaching your glass piece. The standard cup size allows this nail to be paired perfectly with a ceramic carb cap, creating a snug fit to help insulate heat.
This product is intended for tobacco or natural uncontrolled substance herb use only.