Specification: Origin: Mainland China Item Type: Battery Switch Model Name: Knob Switch Item Weight: 150 g Material Type: ABS and Copper Color: as shown Product size: 110 x 58 x 58mm; Hole diameter: 6.5mm; Hole spacing: 38mm; Bolt spacing: 34mm; Bolt thickness: 10mm Suitable model: Universal Description Universal Battery Disconnect Isolator 12V Power Supply On/Off Rotary Battery Knob Switch for Auto Truck Boat for Vehicle Car Van Feature: 1. Directly Connect to the Battery Terminal: This battery knob switch can be directly connected to the battery terminal and cut off by loosening the wheel. It is simple to operate and easy to use. 2. 6V/12V/24V Battery: This car battery isolator is suitable for 6V/12V/24V battery. It is a quick battery isolator switch, which can cut off the switch quickly and quickly, and is suitable for round traditional terminal batteries. 3. New Corrosion Resistant Material: This car battery switch is made of new corrosion resistant material. The metal nut and solid copper terminals make this power supply on/off very sturdy and have a long service life. 4. Mini and Portable: This battery power cut switch is lightweight and portable. Whether you put it in your kit, backpack or car trunk, it won't take up your space. It will not burden you with any burden, making your daily car maintenance work both easy and efficient. 5. Convenient and Widely Applicable: The design with knob makes the battery power disconnect switch easy to operate. It is widely used in cars, off-road vehicles, trucks, RVs, marine boats and yachts, etc. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x Battery Switch