The Artograph Digital Projector Table Stand features both a standard 3/16" (5mm) attachment bolt as well as a 360 degree swivel ball adapter with a 1/4" (6 mm) bolt. These bolts provide versatility so it can be used with our digital projector, camera, or lights. The swivel ball allows you to easily attach and position your attachment and provides up to a 90 degree tilt in any direction. Project an image onto a wall or down to your desktop for tracing. We also provide a spring-loaded cell phone holder that extends 2"- 3". The height can easily be adjusted from 19"- 49". The metal base has a padded bottom to prevent scratching. It is easily to assemble and has a one-year warranty. Details:Black and redOverall dimensions: 14.25" x 8.75" x 19"- 49"Metal three section monopod base with padded bottom to protect floorsTwo extensions with rubber twist locks allow you to extend to 49" HighStandard 1/4" (6 mm) bolt attachment allows you to mount projectors, cameras, mobile phones and lights and a standard 3/16" (5 mm) attachment bolt360 degree swivel ball mount with locking knob and spring-loaded phone clamp included (Extends 2"- 3")Weight capacity: 4 lb.