The Quartz Diamond Core Insert brings major benefits and is a cost-effective way to improve the function of a setup without dropping major dollars. This all-in-one accessory boasts core benefits, creating an additional surface in which to retain heat. It keeps the banger nice and clean. And it’s built for low-temperature dabbing that delivers the tastiest, terp-filled draws. Sold in packs of 5 and compatible with 25mm and 30mm Nails.