<p><b>This is international standard precision made 1/4"to 3/8" Threaded Screw Adapter.</b> <p><b>Material: Aluminium alloy And Stainless Steel (metal)</b> <p><b>22 Pcs Camera Screws Pack:</b> <br>5 Pieces 1/ 4 inch to 3/ 8 inch male threaded screw adapter <br>5 Pieces 1/ 4 inch to 1/ 4 inch male threaded screw adapter <br>5 Pieces 1/4" female to 3/8" female screw adapter <br>5 pieces 1/4 inch female to 3/8 inch male screw adapter <br>2 pcs D-Ring Screws