Specification: Material: Metal, GlassFuse Current: 40AShell Color: Gold Tone, ClearDimension: 38 x 10mm / 1.5" x 0.39" (L*D) Feature: Glass shell and gold plated end, safety, and stability.A type of low resistance resistor that acts as a sacrificial device to provide overcurrent protection,of either the load or source circuit.To eliminate noise and to pure signal transfer.To handle the maximum current draw from your sound system.Good quality fuses work well with high performance car audio systems. Package Include: 2 x AGU Fuse Tube