Kupo CS-40MK Master C-stand with arm, grip head and sliding leg – Silver is used to mount your lighting equipment and a whole variety of light shaping tools and accessories. It has two spring-loaded legs that open in fixed positions, while the third leg is height-adjustable by loosening a locking knob and sliding it up and down the main riser section. This enables you to raise one leg higher than the others to level the stand on an incline or uneven terrain, or to mount your lighting equipment on a set of stairs. This C-stand has 2 risers and 3 sections with a diameter of 35mm, 30mm, 25mm.