GT2-10-30T Pulley (6.35mm Bore / 30 Teeth / 10mm Belt)

Sub-mini micro-switch with short lever, PCB mount.

6SN04-N Inductive Proximity Sensor 

45*21mm 2 Positions Speaker Terminal

SPST Rocker Switch KDC1-101 2Pin 6A/250VAC (Black Button)

SPST Rocker Switch KDC1-101 2Pin 6A/250VAC 

Kettle Plug Socket 

Plug Spring Sheath for Car Speaker Terminals and Tin-Plated Plug Spring Non-insulated Cold Wire Terminals

3 in-Serial 30Amp Battery Management System