This professional-grade JSP Silver & Sterling and 14K Gold testing solution is an essential tool for determining the purity of precious metals and jewelry. Designed for accurate results, this JSP Silver and 14K Gold testing solution helps verify the authenticity of silver and sterling items, making it invaluable for jewelers, collectors, and precious metal dealers. The compact bottle features a precision applicator cap for controlled dispensing and clear safety instructions for proper handling. GTE 2''x2'' Test Stone included. Made in the USA, this testing kit provides a reliable method for analyzing Silver, Sterling, and 14k Gold content in jewelry pieces and other precious metal items. The solution works in conjunction with testing stones to help identify silver, sterling, and 14K gold purity levels. Store securely and use in a well-ventilated area for optimal results. This professional testing solution is a must-have tool for anyone dealing with precious metals who needs to verify silver authenticity with confidence.