metal screws, silver plated, standard tripod mounting thread Help you rigs of screw thread within minutes; Can tripod, shoulder , lightstand, -film equipment, camera cage and others Help you gain more combination possibility and freedom in your photo Approx.diameter:0.62 inch/16 mm; Approx. length: 0.78 inch/20 mm; Lightweight, easy to carry and , they can even serve as back up for the counterpart in your rigs Great value in both versatility and functionality These 5 pieces screw adapter are made of metal with sturdy construction; There is great value in both versatility and functionality. Style:1/4 inch Male to 1/4 inch Male colour:Silver Material:Metal Package Contents: 5 * Screw Adapter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.