CST Berger Magnetic Locator MT100 43.75 Inch MagnaTrak (Waterproof Aluminum Tube LCD Display Ferrous Metal Detection Surveying Utility Finding) Concrete and Mortar Mixers Heavy Equipment & Machinery Maintenance: Heavy Equipment & Machinery Maintenance: Driving 1 2 inch drive sockets on industrial pump casings 2 Day Ice Retention Foam Insulation: Dense poly foam walls combined with an included non toxic freeze stick maintain sub ambient fluid temperatures for up to 48 hours this professional locator filters out non ferrous interference to deliver clear audio and visual tracking feedback via its integrated LCD display Magnetic Toroidal Sensors: Advanced sensor coils capture deep buried ferrous objects while ignoring non magnetic metals like brass