Wimberley WH-200-S Sidemount Gimbal style tripod head allows you to easily manipulate and position very large lense offers stiffness, capacity, and fluid movement in a compact and lightweight package supports wide, medium & telephoto lenses Anodized 6061 Aluminum Clamp, Powder coated Aluminum upright, Stainless Steel Fasteners Made in USA. Assembled in Charlottesville, Virginia