This Adapter can convert 1/4" screw to hot shoe mount， you can connect two DSLR camera by this small accessory.<br />For example， you can connect two canon DSLR camera or you can connect a trigger which have a 1/4" screw with flash hotshoe bracket<br />This one have two nut ， and nuts are removable<br /> <br /><br />It can install NIKON SC-28 FLASH Sync Cord to VH2000 CAMERA Flash Bracket Grip<br />It can install YONGNUO CTR-301P Flash Remote Trigger to Flash Shoe Umbrella Holder Stand Bracket<br />This adapter can pile up  two camera<br />Material: Aluminum Metal<br />Color: Black<br /><br />1x 1/4"-20 screw to Flash Shoe Mount Adapter<br /><img src="http://img6.eachbuyer.com/x9/p100/ib823_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ib823_5.jpg" />