Just use the screw driver to lock the neck and bridge pickup hot and ground(GND) wire,no need to solder them,for your easy upgrade.
Specification:
Pots:Volume alpha brand A1M, and Tone alpha brand B1M
Switch:3 way Toggle Right angle switch in Black tip
Capacitor: Japan NISSEI 0.03 and China made 0.02
Jack socket: Metric thread Jack socket
Installing Instruction is included.