Modern Digital Cable Length Meter 4 1/2 Digit Display Automatic Temperature Compensation 20 Pre-Set Wire Gauge ALL SUN EM5812
UEI CLM100 Digital Electric Cable Length Meter, Wire Length Meter Measuring Ohm Resistance 65Ω, 30,000 Feet, Copper and Aluminum Wire Between 4/0 to 26 ga - Measuring Wheels - Amazon.com