RAM Mount for phone to fit on the Radiodetection 8200SG unit. This mount is more durable than what is optional when purchasing the RD8200SG. This mount is put together at Subsurface Solutions. It has been tested and worked out in the field by many customers. They like the durability and the tightness of the mount. 
This is a great option when using our GPS maps app. The mount will keep your phone steady while walking your line.