Dino-Lite-MS35B-Pole-St&-with-Focusing-Holder-Dino-Lite-MS35B-This-st&-has-a-metal-base-plate-with-a-vertical-pole-that-supports-a-holder-that-is-designed-to-be-used-with-a-digital-h&-held-microscope-The-microscope-is-mounted-on-a-ball-&-socket-jointed-post-that-is-mounted-on-a-dove-tail-slider-that-allows-vertical-movement-up-&-down-the-pole-Dino-Lite-MS35B-Pole-St&-With-Focusing-Holder-For-Microscopes