Precision about 1/4 inch to 1/4 inch male to male screw adapter, 1/4 inch to 3/8 inch male to male screw adapter, easy to use Can put two photo equipment devices together The length is 20mm and the width is 16mm Made of metal, the color is silver Package includes 2pcs 1/4 inch to 1/4 inch screw and 2pcs 1/4 inch male to 3/8 inch screw, 1*cleaning cloth 2 pieces 1/ 4 inch to 3/ 8 inch male threaded screw adapter The set screw is designed with one end measuring 3/8 inch and the other end 1/4 inch. The maximum length is 20mm and the maximum width is 16mm, suitable for all kinds of gears with screw hole 1/ 4 inch to 3/ 8 inch. Widely using on camera accessories such as Tripod, Monopod, Ball Head, Light Stand, Video Light. Made of metal and silver metal surface. 2 Pieces 1/4 inch to 1/4 inch Male Threaded Adapter Screw The set screw is designed to have two 1/4 inch male threaded screws. The maximum length is 20mm and the maximum width is 16mm, suitable for all types of gear with 1/ 4 inch