Check the listing for details. Metal Conversion Screw, 1/4 To 3/8, 1/4 to 1/4 Adapter Screw Multiple Function. Condition: New, Made in China. Listed at 8.61 USD. Features: Multiple function conversion screw , 1/4 to 3/8, 1/4 to 1/4 conversion, suitable for the installation of the head, camera and other equipment. Precise processing, stable; Multiple specifications conversion, meet different equipment needs; Simple to use, convenient and quick installation. For live broadcasting room, travelling photography, etc., for mounting gimbals, cameras and other equipment. Specifications: Material：Metal Size:about 2cm/0.79in For 1/4 to 3/8, 1/4 to 1/4 Conversion Screw Types：4Option Quantity: 1PCS Package Includes: 1PCS Metal Adapter Screw note: Due to the problem of lighting effects and there will be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.