Features 1、Brass bottom material, copper hat moisture, good conductivity, stable performance 2、Line overload and short‑circuit protection, overheating electricity, over temperature protection, overvoltage protection 3、Transparent glass design, clearly see the internal fuse wire, good insulation, strong heat resistance and strong flame retardancy 4、Suitable for household appliances, electronic appliances, automotive, instruments, electronic toys and other fields 5、The tube in each glass firing box is printed, easy to identify and store, do not worry about loss Specification Item Type: Glass Fuse Material: Main Body: Glass Tube Copper Hat: Brass Nickel Plating Model: Approx. 6 x 30mm / 0.2 x 1.2in; Approx. 5 x 20mm / 0.2 x 0.8in Current: 1-20A Voltage: 250V Melting Speed: Fast Application Area: This Product is Suitable for Home Appliances, Electronic Appliances, Automotive, Instruments, Electronic Toys and Other Fields. Package List 250 x Glass Fuse