• High-quality glass tube fuses with fast-blow function. • Dimension of each fuse: 5 x 20 mm (0.2 x 0.78 inches). • Rated current: 2 A. • Rated voltage: 250 V. • Protects the safe operation of the circuit by cutting off the current in case of abnormal increases. • The package includes 20 pieces presented in a plastic box for greater convenience.