【Heavy Duty Air Cushion Spring Loaded Light Stand】 Made of 100% robust stainless steel, this C stand can mount strobes, monolights, reflectors, softboxes, umbrellas, and other photography gear with exceptional stability. Internal air cushion and spring design prevent sudden equipment falls, reducing damage risks 【Adjustable Height & Extension Arm】 The center column with 3 sections is adjustable from 5.2ft to 10.8ft (158cm to 330cm) with a foam grip to prevent slipping in transit. The 4.2ft (128cm) extension arm with a 1/4” and 3/8” mounting screw on both ends is compatible with most equipment 【Metal Grip Heads】 The grip heads can lock the extension arm with a firm grip and allow flexible angle adjustment. Four holes in each grip head can fasten rods, arms, and umbrella shafts in different diameters 【Foldable Turtle Base】 Turtle base with nonslip pads allows sandbag placement for adding stability without scratching the floor (sandbags not included). Legs and can be folded flat for space saving storage 【Package Contents】 1 x Sliver C Stand, 1 x Turtle Base, 1 x Extension Arm, 2 x Grip Head