Ersa desoldering wicks are saturated with halogen-free No-Clean flux. These No-Clean Desoldering Wicks are indispensable for effectively and gently removing flux and solder residue from SMD-boards in particular. A fine copper fabric with high capillary power ensures optimal desoldering results. The additional use of a flux cream may be appropriate under certain circumstances. Length 1.5 m / 4.9ft long. WICKNC1.5/10 = 1.5mm / 0.06 in width.