They are standard shoe type and 1/4 inch-20 screw thread, fit for any standard camera shoe and screw. Camera Hot Shoe Mount Adapter and Cold Shoe Mount Adapter (2+2) Combo Pack Metal construction with black anodized for higher durability. 2Pack of Camera Hot Shoe Mount: The bottom is standard hot shoe bracket that allows to connect to most dslr camera hot shoe. The top part is a standard 1/4 inch-20 thripod screw that permits monitor/tripod/led video light/flash/any devices with 1/4 inch-20 receptacle. It includes 2 nuts which can be adjusted. 2Pack of Camera Cold Shoe Mount: Standard 1/4 inch-20 screw type that allows you to connect to a tripod or stand. Connect any flash shoe accessories via 1 / 4 inch-20 thread screw to a monitor,ring light,Nikon Canon speedlite flash/trigger,magic arm,microphone and more. colour:black Material:Aluminum alloy Package Contents: 2 * hot shoe adapter 2 * cold shoe adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.