Your kit includes the following components:
Self cutting saddle valve to connect into an existing 15mm copper pipe (we recommended that the water supply to the pipe you are breaking into be turned off while you are installing the saddle valve).
3/4 inch x 1/4 inch adaptor to connect between valve and 1/4 inch pipework.
4 Metre length of 1/4 inch plastic pipe / tube.
1/4 inch straight adaptor to connect into the threaded (1/4 inch NPT Thread) inlet on the fridge.
Nail-in clips (always use eye protection when using nail in clips).