Description:
1. Lock the seat around three slots, can be adjusted up and down height (each tune a grid size of 4mm), in front of the scale power side (0-14.5mm) users will measure the height of the switch;
2. Lock pieces for the metal iron, the surface electrophoresis black anti-rust, anti-oxidation function, the main role of hook knife type switch, to prevent others to operate;
3. The height of the locked switch can be between 0-10.5mm.