Side Mount Gimbal Head by Jobu Design. Made in Canada It has been upgraded with a Wimberley Clamp, more secure with better profile and heavier duty than Jobu's. The main arm had a handyman made cover (now removed) on for protection so it is in excellent (not mint but near) condition. The Clamp have usual slide marks (the lens plate sliding in and out, see photo), bottom of mount also has torque marks from tightening to the tripod mount (see photo). Other than cosmetics, it functions 100%. Even though this model is discontinued, it still can be upgraded to full heavy duty Swing bottom mount Gimbal. I picked the side mount initially for smaller size and weight for travels No longer needs it, sold my last long white lens. Fit 300mm 400mm 500mm 600mm