Miles Moon 480 Pcs Bronze and Plastic Material 3M Heat Shrink Wire Crimp Terminal Marine Wiring Connector Home Tools Multitools Set Cable Tie Car Garage Kitchen Boat Electrical Kit Material:Advanced Bronze and Plastics When properly heated and shrunk- they provide a seal that is resistant to water- steam- salt and other contaminants. The biggest difference from others: Heat-shrinkable sealed waterproof performance, solid connection stability and tensile properties. Hostile work environment stable work. High withstand voltage of this product, can withstand voltage of 3 KV. Packing Quantity:480 Pcs Connectors+1 High Quality Case Most applied to cars and trucks, marine equipment, and other aspects of maintenance.