Features: brand new and high quality Battery disconnect switch enables you to quickly and easily disconnect your automobile battery for safety,servicing,or storage.Applicable to auto, boat, truck, motor homes, etc., Mainly used to solve the problem of leakage and loss of electricity caused by batteries that are not used frequently in battery car, motorcycles and auto. Brass battery switch made of heavy duty Brass alloy,Durable zinc alloy terminal.Heavy duty, suitable for most batteries. Cut-off switch and starter immobilizer for cars and trucks with top post batteries.The nut can be screwed down to prevent theft, it can pack the car computer system, alarm, car lock and other components when the car switch is disconnected. Pure copper, thick plastic, protect from rust and corrosion-resistant, durably made for safety use, good conductivity and longer life. To solve the problem of leakage and loss of electricity caused by batteries that are not used frequently. for Ideal for Auto, Boat, Truck, Motor Homes, boat, RV, etc. Specifications: Material:Copper or Zinc Size:Approx.8.6cm/3.38inches Model: Copper or Zinc Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Switch Terminal