Loss less mode with electric wrench not working

[Grydian]

Title: Loss less mode with electric wrench not working

Version: 0.5.1

OS: windows 7

Java Version: version 7 update 9 64 bit

Description of Problem:

When i hold shift and right click no prompt at all says I am in loss less mode. It does however turn the batbox backwards while holding shift and right clicking with the wrench.

Error Messages:

n/a

Error Log:

[Grydian]

I mean when I hold shift + m and right click nada...