1.Kingbo RMA-218 100g BGA Solder Flux 2.Solder Flux for soldering 3.Volume: 100g 4.Gross Weight: 134g 5.Made in USA... The KINGBO RMA-218 is a high viscosity no-clean flux that can be used for rework, sphere or pin attachment to BGA, CGA and CSP packages, and assembly operations such as Flip Chip attachment to PWB substrates.It is original made in Japan.Good formula for BGA reballing / balls ...