1. G20 Basic
Outer Diameter: 48 mm
Height: 20.50 mm
Material: Carbon Fiber Composites
One side: 1/4"bolted for components fixed support
The other side: cone shaped dent for cone support


2. Dana Pad
Outer Diameter: 73 mm
Inner Diameter: 51 mm
Height: 30 mm
Material: Lignum Vitae 玉檀香

G12 Basic + Dana Pad Total Height: Approx. 38 mm