Check the listing for details. Kester 44 Rosin Core Solder .031" .8mm 63/37 Eutectic 24-6337-0027 30ft 1.1oz. Condition: New. Listed at 9.99 USD. Fine diameter solder that is great for audio, surface mount electronics, through hole electronics, and cable/connector/wire applications. Genuine high quality Kester solder. Made in USA. Kester 44 rosin flux solder is an activated rosin formula. "Instant Action" wetting behavior. Packaged in three separate zip lock bags of 10 feet each for convenience and ease of storage. 30 Feet of Kester Solder .031" Diameter 63/37 Eutectic Rosin Flux Core 44 #66/44 24-6337-0027 -NEW- QUANTITY: 30 feet (9.14 meters, 1.1 ounces) Manufacturer: Kester Part#: 24-6337-0027 UPC: 615200819378Alloy: 63/37 Eutectic Diameter: .031", 0.8mm Flux: Rosin Core #66(3.3%)/44 Melting Temperature: 361°F (183°C) RoHS Compliant: No Condition: NEW We have a 30 day return policy on these so you can purchase with confidence! As you can see from our feedback rating, we take great care in providing great products at great prices and with great service. Please contact us if there are any questions or if there is ever a concern or issue.