VEVOR 512HZ Sonde 8/5\" and 1/4-20\" Connectors Rigid Drain Locator for Locating & Detecting Small Sewer & Pipelines, Silver 512HZ Transmitter 304 Stainless Steel Connectors Universal Compatibility Integrally Formed Body Premium Material Versatile Usage Product Diam: 0.93"/23.5mm,Model: VV-S-512,Product Weight: 0.22lb/102g,Product Length: 2.87"/73mm,Working Temp: -4°F -130°F/-20°C-54°C