These are 3" length sections of 14kt solder wire for jewelry fabrication. All solders have a dull finish and uneven surfaces; USA Made and cadmium-free; 22 gauge, 0.6mm 0.025" size; melt 1305 degrees F; 14kt gold purity, 585; for jewelry fabrication, teaching, jewelers, craftsmen; beginners should have adequate live instruction; 1 specified buys one 3" length of solder wire, 3 buys 3-3" sections, etc.