Durite Heavy Duty Battery Isolator 250a

Durite 0-605-52 Heavy duty battery on/off isolator suitable for 12v and 24v batteries. 
Removable key for security
Dust cover to protect key entry slot when key is removed
Rated 250amps at 24v constant or 2150amps for 5 seconds
M10 Connections x 2
Approx mounting screw holes 100mm
Dia of shaft approx 22mm