KJ52 lead the 
2Fourth Best
A leading agreement to lead the fourth highest card from 4 card or longer suits. This is the most standard leading agreement, which give rise to the Rule of Eleven. Players not playing Fourth Best leads will likely play Third & Fifth Leads. Examples of Fourth Best :
From KJ52 lead the 2
From 
KJ432 lead the 
3
From 
KJ5432 lead the 
4
See also: Rule of Eleven
Compiled by Lorne Russell 2005