... ,There are 3 independent heaters. The 1st and 2nd hot-air heaters can control multiple groups and segments temperature parameters. ... , convenience, accuracy, can fit for all kinds of PCB board;5,Flexible and removable universal fixture has protective effects and ... of lead-free process. hot sale, high precision, high autoZM-R6821 good for large PCB board(laptop, mother board, xbox), bga repair system ...