The Softglass Stem Bowl Slide (2.5") is a premium glass bowl designed to fit 14mm female joints. With its smooth design and durable construction, it ensures a clean and enjoyable smoking experience. Ideal for water pipes and bongs. Glass Bowl Slide Clear Neck Size: 1.5 inches / 35mm 2.5 inches / 60mm 3.5 inches / 85 mm Glass Tube Male Joint, fits 10mm to 12mm Female Joint