Electronic fuse kit supplies the most often needed fuses for personal computers, peripherals, cash registers, etc. Fuses are time delay type in 1/4" x 1/4" (U.S. standard) and 5mm x 20mm (European standard) sizes. Card contains: 1 each model No. MDL1/2, No. MDL1, No. MDL2, model No. GDC1, and model No. GDC2.