Description Lead Free Solder 5 foot Roll Tin: 99.3 % Copper 0.7 % 4.84g / 5ft Rosin Core Diameter: 0.031 inch Ages: 13+ The Lead Free Solder 5 foot Roll offers a lead-free solder (Tin: 99.3%, Copper 0.7% 4.84g / 5ft., Rosin Core diameter: 0.031) Notice for California Residents: WARNING: Cancer and Reproductive Harm - View more What's Included 1x Lead Free Solder 5 foot Roll Dimensions Size Roll Length: 5 feet Rosin Core Diameter: 0.031 inch Specifications Ages: 13+ Tin: 99.3 % Copper 0.7 % 4.84 g / 5ft