Check the listing for details. 60/40 Tin/Lead Solder Wire Rosin Flux Core 3% Kester 44 - .031” (.8mm) - 3 Feet. Condition: New. Listed at 2.89 USD. 3 Feet Kester Solder 44 Rosin Flux Core - .031”, 60/40 - PN: 24-6040-0027 High quality Kester 44 Rosin Activated (RA) Flux core solder removed from a fresh master spool. Never expired. - Kester 44 rosin flux solder is an activated rosin formula. "Instant Action" wetting behavior. - Residues are non-corrosive if not cleaned - Perfect for use in electrical and electronics, circuit boards, various electronic devices and more. - Great for pad type, through hole, and splicing solder connections. - Genuine high quality Kester solder! Made in USA. - Ships USPS First Class Mail - No Tracking. (Keeps the cost down to you). Solder comes prepared/rolled up in a larger diameter than pictured to avoid damage in transit. Specifications: Manufacturer: KesterModel: 44Lead: Contains Lead Part#: 24-6040-0027Alloy: 60% Tin / 40% LeadExternal Diameter: .031", 0.8mm Flux: Rosin Activated RACore: #66, 3.3% by volumeMelting Range: 361-374º F (183-190º C) Classification: ROM1 per ANSI-J-STD-006C Meets Federal Spec: QQ-S-571e and Military Spec: MIL-F-14256, TYPE RMA