Features: Reliable material: Our silver solders for home machine are made of quality 15% silver and other elements, which will bring you more safety by using our products, and they can patch lots of things for your home and bring you more convenience. Nice gift: Our silver solder flux can be welded to different appliances in the home to keep them safe, so they can be a suitable gift for neighbors and friends who need to install equipment in their homes. Specifications: Material: mainly silver, phosphor and copper Color: copper color Size: approx. 0.04"x9.84" inches Package includes: 40 x Bcup-5 15% silver brazing rods Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays