Key FeaturesFluid Drag Head with 29.8 lb Capacity509PLONG Sliding Quick Release PlateFour-Step Counterbalance SystemFluid Drag System for Pan & Tilt AxesManfrotto Bridging Technology100mm BallTwo-Stage Legs, Ground-Level SpreaderHeight Range from 18.9 to 67.7"Illuminated Leveling BubblePadded Ca..