Skque?3/8'' D Ring Camera Screw Tripod Quick Release Stainless Steel , Silver Easy to carry for daily use. Simply used the attached hinded handle to unsrew or screw. Allows the fittment of different styles of plates to fit directly into the base of your camera equiment via the 3/8 inch screw. Material: Stainless Steel; Size: Shaft is 13mm in length ,including the thread. Total length including base is 15mm. Head is 14mm in diameter( not inc D-ring). Head is 18mm in diameter(inc D-ring) Package Includes:1 x 3/8 inch D Ring Camera Screw Tripod Quick Release Stainless Steel