The inside of the bucket is completely smooth, like a standard banger, and the inside of the bottom is completely flat. The work done to this banger is purely aesthetic.

25mm fully faceted bucket
17mm inner diameter
~2.5mm thick wall
4mm fully faceted thick bottom (ignoring the pyramidion/apex)
Fully worked seal
Beveled edge
Ground joint
Maria

*These are not compatible with our GG Spinner Caps