1WEAR RESISTANT MATERIAL: The collector bracket is made of a durable anodized aluminum material that ensure on site stability and wear resistance 2PRACTICAL COMPASS: The collector bracket is equipped with a compass and use the compass to quickly lock the azimuth so that you don't get lost again 3APPLICABLE SCENARIO: Collector bracket mount is ideal for RTK measurements that require a rod and a data collector, and is easy to use with 38mm20mm diameter rods in the field 4ALL METAL SCREW: The range pole socket compass use metal screws for better contact and durability. Securely hold your GPS or RTK device for accurate data collection 5PORTABLE AND ADJUSTABLE: Portable design allow for easy transportation, while the adjustable feature ensure comfortable use. Upgrade your fieldwork efficiency with the collector bracket 1 x Compass1 x Bracket4 x Rubber Pad