Silver Solder Paste 0.25 ozt (Hard) - SFC Tools - SOL-725-SSH Solder pastes allow for precise application when used in soldering chain, findings, earring posts and other intricate elements. The paste comes in a 5cc dispensing syringe containing a blend of micro fine spherical solder powder, flux, and binder. Net weight is0.25 ozt. (5 dwt or 7.7 g). This solder is cadmium, indium, and antimony free. Made in the USA