Short Circuit and Overload Protection: Fast-blow glass fuse provides over-current protection for the circuit in the automobile and electrical equipment from short circuit, overload and other effect Easy to Use: Fast-blow glass fuse kit is a transparent shell for easy management. Directly plug the glass fuse to the inline screw type fuse holder without splicing or cutting. With 15 values fuse for your choose. Quality:The heavy duty 20 gauge (AWG) tin-plated copper wire is made of quality material with good electrical conductivity , also can protect the circuit better Fuse Holder Wire Type: 20 AWG; Total Length: , Fuse Voltage: 250V, suitable for 5x20mm glass fuse Package Contains: 10pcs 20AWG Fuse Holder Wire + 10Pcs Screw Cap Fuse Holder Socket+250pcs 5x20mm Fast-Blow Glass Tube Fuse