These 100 pieces of glass fuses are good at protecting your circuit from circuit failure or abnormal, will be very useful for lights, power outlets, etc. One piece size: 2 x 0.5 x 0.5 cm (L x W x H) Current: 0.2A -20A; Max. voltage: 250 v; Melting speed: fast 10 different fuse ampere models: 0.2A, 0.5A, 1A, 2A, 3A, 5A, 8A, 10A, 15A, 20A There are 10 compartments in the box, 10 glass fuses of the same ampere model are placed in one compartment of the box