Universal stand is a kind of organization to extend the using range of stereo-microscope. It can be connected with all kinds of stereomicroscopes, and can vividly realize movement of three-dimensional direction. US-L : The soleplate size (254mm X 254mm X 40mm), the diameter between post and horizontal arm is Φ38mm, the total height is 450mm, adjustable range of height is 187-471mm, adjustable range of horizontal arm is 276-536mm US-S: The soleplate size (254mm X 254mm X 40mm), the diameter of the post is Φ38mm, the height of the post (450mm). Adjustable range of horizontal pole (240-846mm).