MULTICORE (SOLDER)) MM00975 SOLDER WIRE, 63/37 SN/PB, 1LB Price For: Each External Diameter - Metric: 0.56mm External Diameter - Imperial: 0.022&quot; Solder Alloy: 63, 37 Sn, Pb Melting Temperature: 183&deg;C Approval Categories: IPC Class ROM1 External Diameter: 0.56mm RoHS Compliant: No