General purpose solder for sweat fittings, sheet metal joints, gutter work and other big jobs. Works well on galvanized sheet, copper, steel, nickel plate, brass and tin plate. Not for electrical connections. Melting temperature 575 deg (degree). No. 38101: Weight: 1 Lb., Core Type: Acid, Composition: 94.5% Lead, 3.3% Tin, 2.2% Antimony, Melting Range: 575 F, Gauge: 0.130 In., Pkg Qty: 1, Package Type: Spool