The Tricer AD Tripod is a purpose-built for supporting firearms are optics, delivering a fully functional sitting to standing operation. It features an inverted 3-section leg design with the largest 1 1/8" leg on the ground, a 1" in the middle and the thinnest 7/8" leg at the head. This, combined with an 8x carbon fiber construction, makes the Tricer AD one of the strongest, most versatile hunting tripods on the market. The Tricer AD comes with 2 interchangeable center columns: a 16" column and a 4" column. The 16" column provides maximum height for glassing/shooting while standing and the 4" center column accommodates shooting from a prone position. Like all Tricer Tripods, the AD comes with an interchangeable head featuring both a 3/8-16" thread and 1/4"-20 thread. Features:8x carbon fiber constructionWeighs 33oz w/16" center columnWeighs 32oz w/4" center column21" collapsed height w/legs 180 folded or23" folded standard Inverted legs 7/8" – 1" – 1 1/8"Same diameter as a Nalgene1/4 turn twist lockAll twist locks are at the head making it the easiest and fastest tripod to set up on the market64" max height26.4lb weight capacity Tricer AD 64" Tripod AD-TRI-1