A Pack Of 10 Quartz Glass Honeycomb Tobacco Pipe/Bowl Screen Filters (8mm). Very Nice Quality 8mm Diameter, 1.8mm Thick 7 Hole Quartz Glass Honeycomb Screen. Ships Fast And Free, Tracking Included With USPS First Class! If There Are Any Issues With Your Order Please Contact Us First! We Want 100% Customer Satisfaction! These Screens Are Intended For Use In Tobacco Pipes And Tobacco Bowls ONLY!!