BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.The solder wire contains 60% Tin and 40% Lead with 1.7% activity rosin flux core to offer excellent electrical and thermal conductivity. Lower melting point (361°F-374°F/183°C-190°C) with uniform heating and good flow ability makes soldering quickly and efficiently. We offer you 0.03’’/0.8mm in diameter wire to fit for variety of electrical repairs such as circuit board, mobile devices, radios, TVs and other electronics devices.