The RD7100 Precision Locator selection locate and defend underground belongings underground line detector, our business-certain locator assortment, is crafted on this pedigree for performance, high-quality and durability. The next era technologies replaces the preceding OM1 vary, which is now no longer out there. Marker Balls are certainly not serviceable objects, https://sites.google.com/view/utillocateservice/home