Rubber coated depth finders for ice fishing are essential tools for ice fishermen who want to locate fish under the ice. They consist of a compact electronic device that is attached to a long rod with a hook at the end. The device emits a signal that bounces off the bottom of the lake or river and returns to the device. The depth of the water is then calculated based on the time it took for the signal to return.
 
Rubber coating on the depth finder provides a comfortable grip and prevents it from slipping out of your hand while you're wearing thick gloves in freezing temperatures. The rubber also adds durability, ensuring that the device can withstand a few bumps and scratches while being transported or used on the ice.
 
To use a rubber-coated depth finder, simply drill a hole in the ice, insert the hook end into the hole, and drop the device down into the water. The depth of the water will be displayed on the screen of the device. Experienced ice fishermen can use the depth finder to locate schools of fish swimming below the surface.