EXMAX E Type Flash Shoe Umbrella Holder Mount Light Stand Bracket Swivel for All hot-shoe flashes except Sony and Minolta Brands With a 1/4" to 3/8" female thread adapter screw, respectively support1/4" and 3/8" screws, compatible with 1/4"or 3/8" tripod ball heads. Bottom Hole Diameter:15.8mm (5/8"),Vertical Load:3kg,Product Weight:150g The hot shoe mount can be adjusted between 16-20mm, Adjust the umbrella and flash in different angle. Adjust the umbrella and flash in different angle. Suitable for Nikon Speedlight SB910/SB900/SB800/SB700/SB600, Canon 600EX-RT/580EX II/580EX/550EX/430EX II/430EX, etc., except for Sony / Minolta flash units