There is also a massive 4mm base thickness and thus the durability goes beyond what any dabber is not going to expect. This comes in sizes of 10mm,14mm, and 18mm. You will also be able to choose from the Male and Female connectors and they will fit your rig without any issue. This is a thick piece as it is recommended to use the butane torch with all our equipment rather than propane to guarantee being set for the long haulHoneysuckle Bevel Feautures: Outer Diameter - 25mm Thickness - 2mm Base Thickness - 4mm 45° - 90° Frosted Joint Butane Torch Recommended