Expansion Length: Approx. 24 ~ 40cm / 9.45 ~ 15.75in. Adjustable Projector Stand Projector Stand 24‑40CM Adjustable Angle Projector Mount Holder 1/4In Thread for Sofa Bedside. Universal Thread: Designed to have 6mm, that is, 1/4in universal thread, the projector mount is highly compatible with a variety of devices.
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