The King and Queen top "Heads", are Grade A Ebony Wood.n, Clear Coated for a glossy surface... The coated surface must be sanded till all the surface of the Heads are even. There are 4 stages of sanding, each stage uses a finer (Smaller) "Grit", The "Grit" is represented by the number of "Holes" in 1 x 1 Square. sifter, The smaller the Girt, the less amount of surface material is "abrasively cut down".
The final stage is buffing the surface with a fine buffing compound and soft Buffing wheel, to achieve the glossy surface..