This is an <b>Impact Convertible Boom Arm/Light Stand. </b>As a light stand, it can support a small or medium light head to a height of 13' (4 m). Raise the second section completely, click, and it is a boom stand. <br />As a boom, it can hold a small light head to an extension of almost 3' from the center of the stand. <br />It is a reflector holder by means of its two clips, which can support an Impact, Flexfill, or Photoflex light disc as large as 60". <br />A hole at the end of the arm allows an optional counterweight to be hung, for greater stability.<p><b>Instructions for Using This Stand as a Boom</b> <br />1. Loosen the large long handle in the middle of the stand. <br />2. Loosen the top-most section of the stand. Pull that section all the way up. <br />3. Pull! - swing it horizontally for the boom feature, and lock it for the desired setup. <br /> <br /> <br /> <b>Minimum Height: </b>40" (102 cm) <br /> <br /> <b>Maximum Height: </b>13' (4 m) as light stand 9'(2.7 m) as boom stand, with boom @ 90 degree angle 10.5'(3.2 m) as boom stand, with boom @ 135 degree angle<br /> <br /> <b>Closed Length: </b>40" (102 cm) <br /> <br /> <b>Footprint Diameter: </b>36" (91 cm) <br /><p><b>Leg Tip </b> 20mm <p> <b>Weight: </b>4.6 lbs (2.1 kg) <br /> <br /> <b>Maximum Load: </b>5 lbs (2.3 kg) as light stand 3 lbs (1.4 kg) as boom stand<br /> <br /> <b>Attachment Size: </b>5/8" stud with 1/4"-20 threaded top <br /> <br /> <b>Accepts Wheels: </b>Yes <br /> <br /> <b>Air Cushioned: </b>No