Seaworld Rail Mount Rodholder

Single clamp design.
All 316 stainless steel construction with black soft rubber top rim.
Mounts on to rails and stanchions, 22 to 26mm (7/8 to 1") in diameter.
It will also clamp onto 19mm (3/4") if the included rubber sheet is wrapped around the rail first. 
Adjustable to any angle desired.
Relocatable.
Seaworld brand.