This taster has a 3 mm wider diameter than standard

The nail comes in 10mm

but that's the nature of all 9mm borosilicate tubing

Put those struggles of trying to find a nail that fits your rig behind you because this little wonder will get the job done and do so admirably

Marley Natural Black Walnut Spoon Pipe Removable Mouthpiece This taster has a 3Created from handblown borosilicate glass and refined black walnut wood, the Spoon Pipe is a custom designed piece that achieves a fluid balance of quality and durability. The rounded stem and heat resistant glass bowl allow for consistent draws, creating an exceptionally smooth smoking experience. The detachable parts and compact form make the spoon pipe conducive to travel and an active lifestyle. Dedicated to creating unique, quality products,