1. With copper plating standard hot shoe structure, stainless steel spring, hot shoe bottom hollowed of 2mm, avoiding flash contact, suitable for: <br /> Canon 600EX-RT/580EX II/580EX/550EX/540EZ/430EX II/430EX/420EZ/380EX <br /> Nikon SB910/SB900/SB800/SB700/SB600/SB80DX/SB28/SB26/SB25/SB24 <br /> Pentax AF540FGZ/F360FGZ <br /> Olympus FL-600R/FL-50R/FL-36R <br /> Sigma EF-610DG/EF-530DG <br /> Nissin MG8000/DI866/DI622/DI46 <br /> And other speedlite flash with standard cold foot <br /> <br /> 2. AS standard clamp, compatible with RRS / ARCA-SWISS / KIRK / Wimberley / MARKINS / SUNWAYFOTO / kangrinpoche / BENRO / SIRUI quick release plate of AS standard interfaces; <br /> <br /> 3. With long-handle knob, easy to assemble and disassemble; designed with strap hole for used with straps; <br /> <br /> 4 Greatly expand the use of vertical shoot quick release plate, ideal for used with vertical shoot quick release plate.