Exue partes materiales et fixas: SS 1.4301/1.4571/1.4510 sicut per EN10088 (AISI304/AISI316/AISI439).
Fulmen: Caput rotundum cochlearum cum nervum hexagonum cum zinci patella.
Signare Flexilis/Gasket: EPDM/NBR/SBR.