**Important** Base Size - 1 3/4" (44mm x 44mm square) The tapered square base that fits into the tripod measures 1 3/4” (44mm) across both directions – this is what fits into the opening mount of the tripod head. Please measure your tripod head opening in both directions. For use with Amazon Basics 60-Inch Silver Tripod, and only certain models of Ambico, Velbon, Ravelli, Sunpak, Davis & Sanford Vista Explorer 60”, Sony, Zomei, Opteka, Dynex, Polaroid, Vivitar and Takama tripods; See product description for complete list of compatible tripod models and notes QR release plate mounts to the tripod mount allowing you to attach a camera, or cell phone tripod adapter, to a compatible tripod head quickly and easily. Extra QR plates allow you to conveniently swap out more than one camera or device with the same tripod; replacement for Amazon Basic tripod plate 44mm The DaVoice quick release plate QB-4W is plastic with a rubber top and features a metal pin and a high-quality metal thumb screw, unlike other brands. No tools required to tighten the screw. High quality, sturdy and secure fit for your camera tripod mount Tripod Quick Release Plate Replacement for: AmazonBasics 60-Inch Lightweight Tripod ONLY (DOES NOT FIT the 50-Inch version), Amazon Basics Tripod, Amazon Tripod, Davis & Sanford EXPLORERV Vista Explorer 60” Tripod, Opteka OPT7000 74-inch Tripod, SONY VCT-D580RM, VCT-D680RM, VCT-R640 Tripods, Takama 61" Tripod, TGT-58TR and TG-6660TR Tripods (TGT-BK58T, TG-58TR, & TGT-66TR, TGT-58TR-QRP, TGT-BK58T-QRP, TG-6660TR-QRP), Velbon tripod, Velbon CX-444, CX-460, CX-460mini, CX-470, CX-544, CX-570, CX-590, CX-690, CX-888, DF-50, DF-MINI, Videomate 404, Videomate 504 Tripods, The QR shoe Camera Mount is also designed to be used with the Velbon PH-249Q and PH-259 Pan Head, Dimensions: Top Size: Length 64mm (2.52") x Width 50mm (1.97") Camera Tripod Mount Bottom Base Size: 44mm (1.73") x 44mm (1.73") Weight: 26g. No coin or screwdriver is needed to tighten the screw on this tripod mount adapter. The tapered square base that fits into the tripod base tripod camera mount is 44mm X 44mm dimensions on the bottom (that fits inside the opening in the mount head of the tripod). The dimensions of the QR plate: Outside dimensions are 64mm (2.52") x 50mm (1.97") at the widest point for the top where the camera attached to. Camera quick release plate has a 1/4 inch Camera Mounting Screw fits most cameras and camcorders (and cell phone tripod adapters, tripod accessories). QR plates attach to the tripod mount on your camera and allow you to quickly and easily attach and detach your camera or device from a compatible tripod head. Having extra qb-4w quick release qr plate tripod adapter mount - dslr quick release plates means you can quickly swap cameras or devices with the same tripod head. Lets you easily remove your camera or device from your tripod clip mount or tripod top plate. This tripod attachment is a camera plate adapter. Includes 1 x DaVoice QR Plate. This is a DaVoice brand QR Plate. Any use of other brand names is made solely for purposes of demonstrating compatibility.