Spare genuine slik quick release plate suitable for the slik f series tripods such as the f740 f730 f630 f163 f153 f143 and f133 models standard 14 inch tripod screw thread this is a direct replacement for the quick release plate supplied with the tripod and is ideal to have a spare especially if you have more than 1 camera so that you can leave the spare on the camera you are not using making changing cameras a lot quicker