"SEPPA" *Respectively(gold plated brass/gold plated silver/oxidized silver/silver)
("SEPPA" one set in two sheets)
Extra large(A+B) / Large(B+C) / Midium(C+D) / Small(D+E)

(Thickness) Silver made 1.2~1.4mm, Brass made 1.4~1.5mm

External dimensions
A 46mm x 27mm, B 43.5mm x 26mm,
C 41.5mm x 25mm, D 39.5mm x 23.5mm, E 38.5mm x 22.5mm

Inner size of the hole
A 28mm, B 28mm, C25mm, D 25mm, E 23.5mm

Enlarged picture:Click