name of grand piano part

[Jon Page]

At 09:50 AM 4/8/99 +0000, you wrote:
>I want to know the "official," "most used" name for the part of a grand
>piano that positions the key frame left to right.  It's that block at
>the left hand side of the key bed.  It usually is held in place with
>screws, is covered with felt, and can be shimmed to position the
>keyboard and stack farther to the right when appropriate.  I couldn't
>find the part listed in "Piano Parts and Their Functions."  Possible
>names might be:  keyboard rest block, keyboard positioning block. 
>What's the right name for that part?
>
>Richard West
> 

Keyframe rest block   ??

F'rinstance: S&S parts list has:

Keyframe rest - block felt    #00418    $2.00

I just use dense action cloth, I hope it's OK   :-)