<ul><li>1. 1/4\" metal male thread with a 4mm Hex Socket & hinged \"D\" Ring</li><li>2. D-ring with flat head screwdriver slot, can drive it by coin.</li><li>3. Material - Stainless Steel. Total Length: 21mm / 0.83 inch,Shaft Length: 17mm / 0.67 inch(Included thread)</li><li>4. The screw allows the fitment of different styles of plates to fit directl</li><li>5. Can be used with tripods, monopods, telescopes, ball heads, lens collars, lens plates etc.</li></ul><br><br>Material: Stainless Steel\n\nColor: Silver\nWeight: 7g\nTotal Length: 21mm/0.83 inch\nShaft Length: 17mm/0.67 inch(Included thread)\nHead Diameter: 12mm/0.47 inch(without D-ring)\nHead Diameter: 16mm/0.63 inch(with D-ring)\nHead Thickness: 4mm/0.16 inch\n\n\nPackage include:  2 * 1/4\"\" D-Ring Screw

Yosoo 2pcs Digital Camera Tripod Quick Release Plate D Ring Captive 1/4\"\" D-Ring Steel Stainless Screw Connecting Adapter UNC for Camera Tripod Monopod Quick Release Plate (Type 1)