Silver Solder Paste 3-Pack - SFC Tools - SOL-PASTE Solder pastes allow for precise application when used in soldering chain, findings, earring posts and other intricate elements. Each melting temperature paste comes in a 5cc dispensing syringe, containing a blend of micro fine spherical solder powder, flux, and binder. Includes 3 dispensers: easy, medium, and hard. Net weight (of each dispenser) is0.25 ozt. (5 dwt or 7.7 g).