Hercules Climate Smooth Soldering Paste, Self Cleaning, Lead Free, With Screw Cap Brush #10619 Hercules, 1/2 LB, Climate Smooth Soldering Paste, Lead Free, Non-Acid Soldering Flux, Specially Formulated To Be Brush able At Extreme Temperatures All Year Long In Virtually All Climates, Solders Spread Faster More Uniformly In The Joint When Used With Climate Smooth, Works With All Solders, Including Higher Melting, Non-Lead Bearing Alloys, Plus 95/5, 50/50, 40/60, 60/40 Solders, Screw Cap With Brush. The product is manufactured in China. Easy installation and easy handling. Features The product is manufactured in China The product is highly durable and easy to use Easy installation and easy handling USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.