Trimble DM-20 is an easy to install rigid metal mast for all clamp-on machine display laser receivers. Kit comes with pole, mounting bracket, bolts and mounting instructions. Adjustable mast angle makes it great for steep slopes. Installs with no welding.  The mast mount bolts instantly to machines that come from the factory Trimble ready. Includes: 3.5ft Mast Pole, bolt-on-blade bracket, hardware, and instructions