1Excellent Aluminum Alloy Material: This data collector bracket is made of excellent aluminum alloy material, which is sturdy and durable, not easy to be damaged, and has a long service life. 2Metal Screw: This for GPS mount range pole cradle bracket is made of metal screw, which makes better contact and stronger and more durable. 3Compass Equipped: This range pole cradle bracket is equipped with a compass, find the right spot to find the right spot faster, so you will never lose your way again. 4Good Compatibility: This for GPS mount collector bracket is suitable for 70mm to 90mm length data collector controllers, and suitable for rods with a maximum diameter of 32mm. 5Easy To Use: This data collector bracket mount is easy to use, you just need to use the knob to fix it, no professional tools are needed to use it. 1 x Data Collector Bracket Mount 2 x Rubber Pads