Foto&amp;Tech D Shaft D Shaped Ring Screw Adapter 1/4 Inch Thread for Camera Tripod Quick Release Plate Canon/Nikon/Sony/Pentax/Sigma/Olympus/Panasonic DSLR/SLR Camera<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Precision made ¼ inch thread Stainless Steel Tripod screws. </span></li><li><span class="a-list-item"> Total length including base: 14.5mm; total shaft length: 10.5mm. </span></li><li><span class="a-list-item"> Threaded part of the shaft: 6mm; no thread part of shaft: 4.5mm. </span></li><li><span class="a-list-item"> Approximate head diameter (including D-Ring ): 16.2mm </span></li><li><span class="a-list-item"> Great replacement for the screw that fell out of my camera tripod. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/412F0CMNisL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cq0P4c4GL.jpg" noproxy>