VEVOR 512HZ Sonde 8/5' and 1/4-20' Connectors Rigid Drain Locator for Locating & Detecting Small Sewer & Pipelines, Silver512HZ Transmitter304 Stainless Steel ConnectorsUniversal CompatibilityIntegrally Formed BodyPremium MaterialVersatile UsageProduct Diam: 0.93'/23.5mm,Model: VV-S-512,Product Weight: 0.22lb/102g,Product Length: 2.87'/73mm,Working Temp: -4F -130F/-20C-54C