Kester 48 Activated Rosin Flux Core Lead-Free Solder Wire - +792 F Melting Point - 0.031 in Wire Diameter - Sn/Cu/Ni/Bi Compound - 24-9574-1402 [PRICE is per POUND] Sale Unit: POUND Brand: Kester Series: 48 Core Type: Activated Rosin Flux Core Wire Diameter: 0.031 in