Minecraft Reach Hack. They are the latest in the line of hacked clients for 1.8.x. Hacked clients are able to expand their reach up to the limit set by the server:
It only matter if you’re pointing your mouse near them to look directly at them. In them you will find the latest improvements of the best clients for unfair game on servers. The default is 3 blocks and hacks can give you around 6.