The white glue will become transparent after dried, and the dry speed is fast, the adhesiveness is firm. It’s also washable, and the glue residue is easy to be clean.
Cap of 6120C is special which is ok to be put up and down side, white glue can be collected in tip, there is no waste.
Cap of 604A has flat glue tip so when applying white glue it will be flat, no need to make it flat.
