
I was having a hard time tracing and rewiring a motorsport wiring harness so I decided to buy this to do it to try. Unfortunately I found this didn't help much with tight wires, too much noise. I ended up using the continuity check function more than the toner function. However, it's great for tracing wires behind drywall!

Kapro 307-08-TMS Try And Mitre Layout And Marking Square With Stainless Steel Blade, 8-Inch Length
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π Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
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