Acratech Ultimate Ballhead without QR Clamp with Left Sided Rubber Main and Pan Knobs, Supports 25 lbs. Weighs less than 1 lb (.45kg) with quick release clamp. Easily holds over 25 lbs (11.4kg) at any angle. Full movements allow any camera position. Precision C.N.C. machined. Shown with left side controls (right side available).