eatures: 100% brand new and high-quality 5x20mm and 6x30mm Fast-blow Glass Fuses Quick. Making from high-quality glass material. No plumbum. The glass tube fuse comes with quick blow function. RoHS compliant. Application: Mainly used for protecting the electrical circuit against overload and short-circuits, it also may derive for protecting the semiconductor device. Protection against overload and short circuit in electric lines. Those glass tube fuses are packaged in a clear plastic box for keeping different Ampere values separated and easy to access. Notice: Need professional knowledge to use this product. Specifications: Product Name: Glass Fuse Function: Fast Blow Colour : Clear, Silver Tone Material: Glass, Metal Breaking Voltage: 250V Current: 1A, 2A , 3A , 5A, 6A , 7A , 8A , 10A , 15A,20A Dimension : 5 x 20mm/ 0.07 x 0.01(L*D); 6 x 30mm/ 0.11 x 0.02 (L*D) Package Included: 250 x Assorted Glass Fuse 6x30mm: 15 x 1A fuse 15 x 2A fuse 15 x 3A fuse 15 x 5A fuse 15 x 6A fuse 15 x 7A fuse 15 x 8A fuse 15 x 10A fuse 15 x 15A fuse 15 x 20A fuse 5x20mm: 20x 1A fuse 20 x 5A fuse 20x 10A fuse 20 x 15A fuse 20 x 20A fuse