Manfrotto 190XDB 3 Section Aluminum Tripod with Manfrotto 390RC2 Pan & Tilt Head Three-faced center column prevents unwanted rotation. Legs lock in four positions, adapting to uneven terrain at 25, 46, 66, and 88 degree angles. 3-section legs extend up to 46.6 inches without center column extension. Reversible center column allows for an extra high adjustment of 57.0 inches. Thumb screw leg locks maintain leg length adjustments.