Sirui Light Stand Max Height 2.8m/9.2ft; Buffer Spring; Reliable & Durable Buffer Spring Gently descend to protect the light Reliable & Durable The light stand is made of stainless steel and aluminum alloy to be reliable and durable. Universal Standard 1/4"-20 Screw Buffer Spring ...Sirui Light Stand Max Height 2.8m/9.2ft; Buffer Spring; Reliable & Durable Buffer Spring Gently descend to protect the light Reliable & Durable The light stand is made of stainless steel and aluminum alloy to be reliable and durable. Universal Standard 1/4"-20 Screw Buffer Spring Reliable & Durable Material: Aluminum Alloy and Stainless Steel Load Capacity: Max: 22 lbs (10kg) Threaded Hole: 1/4-20" Max Height: 9.2' (2.8m) Folded Height: 38.6" (980mm) Spreader Height: 27.8" (705mm) Weight: 3.75 lbs (1.7kg)