![USGI Depth Wheel Assembly](http://usgeosupply.com/cdn/shop/products/398_{width}x.jpg?v=1614793413)
USGI Depth Wheel Assembly
SKU: 8475Includes wiring and connectors to attach to depth / off bottom cable and bracket, and idler wheel to attach to the geolograph cable or other cable that moves with the traveling block. The USGI Depth Wheel is a tough, weatherproof wheel and switch assembly that gives a switch closure at one-foot intervals.