The SH-807E and SH-806E are identical in features and vary only in size and capacity. Both heads have a newly designed inner mechanism that creates much smoother movements when used with a heavy camera and lens. These heads are all metal with large quick release plates to securely mount heavy cameras and lenses. The handles have large rubberized grips to make moving and locking down the head much easier and more secure. Both have a larger, easier to use pan lock knob. Both are available separately or the SH-807E comes with the new PRO 780 DX complete tripod and the SH-806E comes with the new PRO 580 DX