Features: Crafted with fine particles and a low 700°C melting point, this silver solder flux ensures seamless bonding on gold, silver, and copper alloys for professional jewelry repairs. The premium blend of silver, copper, and nickel delivers exceptionals fluidity to penetrate tight joints while maintaining smooth, nonresidue surfaces post soldering. Designed for professional jewelers, and metalworkers seeking precise in delicate repairs or intricate metal fabrication projects. Effortlessly restores break clasps, mend antique silverware, or fuses decorative metal components in homes workshops and jewelry studios. Engineered for instantly adhesion without requiring post soldering polishing, it preserves intricate designs and structural integrity across rings, chains, and artisanal metalwork. Specifications: Component: silver, copper, nickel and other 5gram Size:Approx.30x17mm/1.18x0.66inch Option Capacity: 5gram,10g,20g; Package Includes: 1pc Silver Solder Flux note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.