Features: The fastener is made of heavy-duty ABS and metallic material, durable, not easy to aging, and wear-resistant to ensure maximum strength and durability for long-term use. The waterproof cover on the top can better protect the key hole. Professional features, high reliability. Portable size, modern appearance, easy to install and wire. This isolator switch can eliminate any power consumption from when the vehicle or boats is not in use, it disconnects safely. They are offered as master-dis switches, with 150a intermittent, 100a continuous at DC32V; Boot Rating: 500a 30s; Intermittent Rating (5 minutes): 200A. Suitable for cars, off-road marine vehicle, trucks, motorcycles, yachts, boats, etc. Specifications:Material: ABS Rated Rating: 150A Rated Voltage: 32VS Studs: M6Size: About 57.65x45mm/2.26''x 1.77'' Package Include:1x DisconnectorNote: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.