This glass joint converter can be used to change both the size and gender of your joint. On one side this adapter is a10mm female joint and a 14mm female is on the other. Made of thick 3mm borosilicate glass. This adapter will work with any 10mm or 14mm male bong or rig.

Specifications

• Height: 2.75 Inches
• Glass Thickness: 3mm Borosilicate Glass
• Joint size: 10mm Female to 14mm Female