JSP Silver Test Needle Set of 5 .999 .975 .950 .925 .900 Premium 5-Grade Tester

Professional 5-Piece Silver Test Needles Set

Compare Unknown Silver to Known Standards and Test with Confidence

Take the guesswork out of silver testing with the GTE Professional 5-Piece Silver Test Needle Set. Designed for jewelers, pawn shops, precious metal buyers, coin dealers, and refiners, these comparison needles allow you to accurately compare unknown silver items against five known purity standards.

Used alongside a testing stone and silver testing solution (sold separately), these reference needles provide a reliable way to determine the approximate silver content of jewelry, coins, bullion, flatware, and scrap silver.

✔ What These Test Needles Do

● Compare unknown silver against known purity standards

● Improve confidence when evaluating silver items

● Help distinguish common silver alloys

● Verify jewelry, coins, bullion, flatware, and scrap silver

● Reduce guesswork during silver testing

✔ What's Included

● .900 Coin Silver Test Needle

● .925 Sterling Silver Test Needle

● .950 Silver Test Needle

● .975 Silver Test Needle

● .999 Fine Silver Test Needle

● Durable key ring for convenient storage

Testing stone and silver testing solution sold separately.

✔ Silver Standards Included

Purity

Silver Content

Typical Use

.999

99.9%

Fine silver bullion, bars & investment coins

.975

97.5%

High-grade silver jewelry

.950

95.0%

Argentium & premium silver alloys

.925

92.5%

Sterling silver jewelry (most common)

.900

90.0%

Coin silver, antique coins & vintage jewelry

✔ How It Works

● Scratch the unknown silver item onto a testing stone.

● Scratch the appropriate silver test needle beside it.

● Apply silver testing solution to both streaks.

● Compare the reactions to estimate the silver purity.

✔ Why Choose the 5-Piece Set?

● Covers the five most common silver fineness standards

● Includes Sterling Silver (.925) and Coin Silver (.900)—the grades most frequently encountered in jewelry and antiques

● Provides more comparison options than basic 3-piece sets

● Durable, compact, and easy to carry

● Ideal for professional or hobby use

✔ Ideal For

● Jewelers

● Pawn Shops

● Precious Metal Buyers

● Coin Dealers

● Bullion Collectors

● Antique Dealers

● Estate Buyers

● Refiners

● Scrap Silver Sorting

✔ Pro Tip

Testing silver without comparison needles can lead to uncertain results. Comparing your unknown sample against .900, .925, .950, .975, and .999 silver standards allows for more accurate interpretation of the acid reaction and greater confidence in your findings.

✔ Important Notes

● Designed for use with a silver testing stone and silver testing solution.

● For testing non-ferrous silver alloys only.

● Always follow proper safety precautions when handling testing solutions.

● Clean the testing stone thoroughly between tests for the most accurate results.