White Terminal Block Pressing Sheet Is High Quality Conductive Steel Spring, Good Elasticity, Strong Toughness, High Rate of Electricity, Energy Saving, Corrosion Resistance, High Quality and Safety. Made of High-quality PP Insulating Fireproofing Material, Safe and Non-toxic, Corrosion Resistance. High Pressure Resistance, High Melting Point and High Temperature Resistance, Can Work At -40