Air Cushioned Aluminum Photography Light Stand with Boom Arm Adjustable Stable Support for All Your Gear Quick Adjustment High Compatibility Easy to Transport Versatile Applications 2.2 lbs Load Capacity Height Adjustment: 3.74-13.12 ft / 1140-4000 mm,Boom Arm Dimensions: φ0.98 in/0.79 in x 73.23 in / φ25 mm/20 mm x 1860 mm,Stand Type: Tripod Stand with Boom Arm,Boom Arm Load Capacity: 2.2 lbs / 1 kg (Note: When the support point is at the center of the boom arm, the end can hold up to 2.2 lbs / 1 kg),Item Model Number: SH-LS-020,Center Column Load Capacity: 6.61-11.02 lbs / 3-5 kg,Boom Arm Threaded Adapter Screw: 1/4 in + 3/8 in,Product Dimensions: 47.24 x 47.24 x 44.88 in - 144.33 in / 1200 x 1200 x 1140 mm - 3666 mm,Net Weight: 6.57 lbs / 2.98 kg,Stand Height: 12.8 ft / 3900 mm,Main Material: Aluminum Alloy + Iron