Type: 07510 (standard), to cooperate with integrated circuit chip welding, install or replace components and parts; Type: 07511, precision electronic parts operation; Type: 07512 (thicken and lengthen), will not bend when clamp circuit board with strong force, the parts will not fall off; Type: 07513 (round flat head), avoid components damaged, suitable for extract circuit wafer; Type: 07514, suitable for high density integrated circuit wafer; Type: 07515, to extract components in narrow place