ProMaster LS-6 Multifunction Boom Light Stand Multi-angle Boom with Counterweight Bag (holds up to 4 kg) Maximum Operating Height: 12' 11'' / 394 cm Folded Length: 48 1/2'' / 123 cm 2 Stand Sections: 34.5 mm, 29.5mm 2 Boom Sections: 25 mm, 22 mm Multi-Position Quick Change Mounting Stud with 1/4-20 and 3/8'' screws