(Note: the sandbag comes empty.) One end of the arm has a stainless steel 1/4 threaded screw Height from 130cm to 280cm, suitable for different scenarios. For 1997-2003 Ford Ranger Windshield Wiper Linkage Bushing Dorman 65821RD 2001 SmallRig Aluminum Light Stand 110"/9.2ft/280cm, Adjustable Photography Air-Cushioned Tripod Stand with 1/4" Screw for Softbox, Studio Light, Flash, Umbrella... NEEWER Air Cushioned Aluinu Light Stand, 9.8ft/3 Adjustable 180° Free Rotation Boom Arm: Connect the arm to the stand via the middle joint, then freely swivel and tilt the arm for different angles. Firm and Stable: The photography light stand mainly made of aluminium alloy and iron, thickened tube diameter,solid and stable (Max load capacity 5kg/11lb) Adjustable and Foldable: This tripod stand is convenient to adjust the height. Extra Stability with Sandbag: The included sandbag adds extra stability. Studio Light NEEWER Air Cushioned Aluminum Light Stand, 9.8ft/3m Adjustable Photography Stand With Boom Arm, Counterweight, Sandbag, 1/4" Screw For Softbox, Studio Heavy Bag Stand