EDFM's DECADE INDUCTANCE SUBSTITUTION BOX is the perfect affordable solution for designing, prototyping, diagnostics of circuits, engineering, learning aid for schools and more for your electronic projects. Five quick select pushbutton switches allows fast selection of inductance values. 

SPECIFICATIONS 
Inductance Ranges: 1µH – 99mH 
Internal Inductance: 0.678 µH 
Voltage Rating: 30 Volts Max 
Tolerances: 1 - 100 µH 10% + 0.678
                    1 - 10 mH 20% + 0.678

Max current per decade
Decade x10 mH x1 mH x100 µH x10 µH x1 µH
Max. I 20 mA 220 mA 40 mA 250 mA 400M A
 
 : 5 Pushwheel Decade Switches 
 : Dual Binding Post (blue) w/Top insertion and wire wrap screw down top and through hole 
 : Power Inductors 
 : Waterproof vinyl graphics 
 : Dimensions: 4.53 x 3.54 x 2.17 inches / 115 x 90 x 55 mm
 MADE In The USA