Kester 245 No-Clean Solder 63/37 .015" 1/2oz Dispense-Pak Specially packed from Genuine Kester 24-6337-8806 solder 1/2-ounce Dispense Pak contains approx 56 feet of solder! 67/37 Tin/Lead is most common for electronics work .015" Diameter is most common for fine-pitch electronics work Low Residue No-Clean flux