Features: 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. 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. Car battery pile heads, power connection, stable current, protecting battery. With power-off protections, safe and reliable use. Easy to install and reliable grip. Strong corrosion resistance, strong conductivity, long service life. Specifications: Material:Copper Size:As Picture Shown 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. Thanks for your understandings. Package includes: 1 Pair Car Battery Terminals 1 Pair Spacers 8x Lugs (40a) 1x Hex Wrench