Check the listing for details. Universal Screw Hole Tripod Adapter 1/4" 3/8" Magic Cubic Mount Cube Bracket. Condition: New. Listed at 16.41 USD. This adapter contains screw holes on all sides that allow for easy expansion and accessory attachment, including five 1/4" and one 3/8" screw hole. You can install it onto your tripod, monopod, selfie stick, etc., widely used for camera equipment expansion and can be used in different photographing scenes.SpecificationColor: BlackMaterial: Aluminum AlloyOverall Size: 23 x 23 x 23mm / 0.91 x 0.91 x 0.91 inch(L*W*H)Screw Hole: 1/4" Male , 3/8" MalePacking List: 1 x Mount Adapter, 1 x Wrench, 1 x 1/4" Mounting Screw, 4 x Set ScrewsAdvantageEach side of this product features machine-meter screw mounting holes that enable secure attachment and prevent the screws from reversing. Made from quality aluminum alloy material, it has exceptional durability and resistance to falls and wear and tear.