Kaavie 3.6M /10 FEET i-TTL Off Camera Flash Sync Extension Cord for NIKON DSLR Cameras The cabel length is about 10ft 3.6 metres. The cabel is coiled and the practical length is less than 10 metres. Compatible with Nikon Speedlights and other brand Nikon fit flashguns. The UNC (Unified National Coarse Thread) of tripod socket is 1/4" Make sure you install the cable correctly (refer to product pictures) Make sure you install the cable correctly (refer to product pictures) / Compatible with Nikon Speedlights and other brand Nikon fit flashguns.