Sometimes you need to get a small fly deep and in a hurry, that's when double beaded nymphs come into their own, great when  asting to spooky fish and reduces the need of splitshot 
In this set you will get 2 of the following in a size #14
Hares ear
Hares ear flashback
Pheasant and peacock
Pheasant and hare flashback
Copper wallop