Description: Connects direct to the battery terminal, cut off by loosening the green wheel Universal fits to 6V/12V/24V batteries Fits all standard round post size batteries Fits on motorcycle, car, van boat These are for round conventional terminal batteries only Quick battery isolator switch, cut off switch Specification: Copper terminals with M10 thread 1/4" x 3/4" studs. Two 3/16" mounting holes. 5/16" Brass terminal. Material:Plastic Package Includes: 1xBattery Disconnect Safety Kill Cut-off Switch 1 xHandle Keys (Rhombus) 1xSheathing