They help a bunch...nice to hold an object with both hands while looking at it..
Great pin pointer from Garrett and Metal Detecting Stuff is my #1 source for products. Excellent service
Test and compare silver purity with confidence using this professional silver test needle set. Designed for jewelers, metal buyers, refiners, and precious metal testers, this set includes three clearly marked comparison needles for 950, 975, and 999 fine silver.
These needles are used as reference tools during silver testing to help compare reaction, streak, and appearance against a known standard. Whether you are evaluating jewelry, coins, scrap silver, or other silver items, this set gives you a fast and practical way to improve accuracy during the testing process.
Built on a convenient key ring for easy handling and storage, these comparison needles are compact, durable, and ready for bench use.
Create a streak from the unknown item and compare it to the streak made by the appropriate test needle on a testing stone. Use alongside the proper silver testing solution to observe and compare reaction results against a known standard.