Domeless Titanium female Nail with Wax Dabber, fits 18 mm male downstem Domeless Titanium Female Nail comes   Grade 2 HQ Titanium - GR2 Fits 18mm Male fitting Apply flame to the bowl while The ridges distribute heat and protect your glass No clogging at all as it has a wide take-in channel It does not need the glass globe  Nail's weight: 33g. Size: 5.6 cm. Dabber length: 4 7/8" stainless steel.  This is a Female Nail, so it goes on top of the glass joint.