This GonG holder consists of a tapered 14mm graphite head, with a locking set screw, to hold a 14mm male joint.
The custom handle is 10mm (3/8") knurled stainless tube tapering to a 6mm (1/4") mouthpiece.
The overall tool length is 305mm (12").
NOTE: This holder will hold any length 14mm male GonG joint.