Stainless Steel Heavy Duty C Stand with Boom Arm - Max Height 10.8ft/330cm Photography Light Stand with 4.2ft/128cm Holding Arm. Note: Before adjusting the angle of the extension arm, please hold the rear part tightly to keep it in place then loosen the grip head screw to prevent your equipment from dropping. Stable Turtle Base The turtle base keeps the stand steady when bearing heavy things. The anti-slip rubber pads keep the stand from skidding and protect the wood and ceramic floors against scratches. Three collapsible legs can fold flat for ease of storage. Versatile & Durable C-Stand The whole body is engineered with rugged stainless steel to withstand corrosion, humidity and deliver enduring durability for both studio and outdoor shootings. Extendible Center Column The 3-section column with 2 risers can stretch up from 4.9’ to 10.8’ (1.50m to 3.30m) to let you adjust the height according to your requirements. The foam grip can prevent the stand from slipping during transport and is comfortable to hold. Extension Arm Equipped with 1/4” and 3/8” screws at both ends, the extension arm can mount most photographic accessories with ease. Grip heads enable you to keep the arm firmly in place and set different angles effortlessly. Material: Stainless Steel Maximum Height: 10.8’ / 3.30m Minimum Height: 4.9’ / 1.50m Extension Arm Length: 4.2’ / 1.28m Max. Load Capacity: 17.6lb / 8kg (Cantilever rod), 44lb / 20kg (Center Column)