Geared center column with locking collar; Center column crank folds for easy storage; New cross pattern of Carbon Fiber layers provides significantly increased stability and vibration reduction; For speed and convenience, each leg has an automatic leg angle lock mechanism for 3 leg angles; Lightweight 10 layers 100% Carbon Fiber legs; Lower legsection feature graduated scales; Padded leg covers for improved grip; Reversible 3/8"-16 to 1/4"-20 head mount; Built-in bubble level makes horizontal adjustments fast and easy; Replaceable rubber foot/stainless steel spike