Back Home / Electrical / Solder Products / SOLDER ROSIN CORE – STANDARD 1 LB 10% TIN 90% LEAD SOLDER ROSIN CORE – STANDARD 1 LB 10% TIN 90% LEAD SKU: SRC1 Categories: Electrical, Solder Products General use solder. Rosin core for electrical applications. 1/8” diameter. 1 pound spool. General use solder. Rosin core for electrical applications. 1/8” diameter. 1 pound spool. Case Quantity: 1 Log In For Pricing