Their engineering specifically targets the GPX 6000's capabilities

One-piece upper construction eliminates wobble completely

This armrest provides a stable fit and improved ergonomics for extended hunts where comfort directly affects coverage

Wireless System Architecture and Field Ergonomics

Thumlers Tumbler 3 lb. Grit Set for Rock Tumbling One Large Pack of Each Type pinpointer case Their engineering specifically targets theThumlers Tumbler 3 lb. Grit Set for Rock Tumbling. Contains 16 oz. of coarse grit, 16 oz. fine grit, 8 oz. pre polish, and 8 oz. of polish. For rock tumbling, contains one large pack each of coarse grit (16oz.), fine grit (16 oz.), pre polish (8oz.) and polish (8oz.).