SubSurface Magnetic Underwater Locator (MUL) Sensor (Only) Topcon this marking chalk is suitable

this marking chalk is suitable even in extreme conditions

It is equipped with a V-groove magnetic mount for quick attachment to metal surfaces and comes with standard 1/4-20 threading for tripod connection

The handle has a rubber grip for comfort as well as durability

The Calculated Industries HeavyCalc Pro Calculator is specifically designed to meet the exact needs of excavators and professionals who work in heavy construction

SubSurface Magnetic Underwater Locator (MUL) Sensor (Only) Topcon this marking chalk is suitableThe Magnetic Underwater Locator Sensor (MUL) is encased in a waterproof titanium case with a long sensor designed for boat towing or diver.