Description
- Premium Set of 5 Silver Test Needles:
- .999 – Investment grade bullion bars and rounds such as American Silver Eagle
- .975 – Rare high silver specialty items
- .950 – French silverware and hollowware, high-end jewelry, Mexican silver pieces, some luxury flatware
- .925 – Sterling silver, the most common silver alloy
- .900 – Coin grade 90% silver, such as pre-1965 quarters
- Use these test needles to compare acid reactions with silver items to be tested
- This is a hard to find, high-quality set designed for silver industry specialists that can be used by anyone