Discs now feature Safe Lock - a special techno polymer that maximizes locking torque, eliminates micro movements and cuts vibration. The new leveling system made of three independent leveling bubbles on the quick release plate and one in the ball stem, always guarantee perfectly leveled images. The problem that affects many high quality heads in the market regarding drift angle is absolutely minimized with an outstanding value of 0,03°. Height: 0.91 in.; independent pan lock; load capacity: 26.46 lbs.; material: magnesium; panoramic rotation: 360 °; fixed plate - with 1/4-20-Inch screw; series: 3; weight: 0.46 lbs.