1: cap and backparts in brass G8 - gold gleams finish.
2: cap and backparts in brass BM - eco black mat finish.
3: cap and backparts in brass A7 - eco black metal finish
4: cap and backparts in brass E2 - eco nickel free finish
Position 5*: invisible washer and backparts in brass G8 gold gleams finish - BM eco black mat finish - U7 - eco black metal PD/ finish E2 - eco nickel free finish.