Features �2-1/2" clamp with molded knob. �Main adjustable knob is geared for tilting and easy control - tilt from horizontal to a 115-degree angle. �2-section aluminum column extends to a maximum of 20 inches high or get close for macro photography. The 3-way panhead with quick release attaches to your camera like a tripod. Pan, tilt and rotate camera. Oversized 1 inch metal tubing for minimal flex. Supports SLR cameras and camcorders up to 8 lbs.