Buzzing Casters

[Conrad Hoffsommer]

On 10/28/08, David Love <davidlovepianos at comcast.net> wrote:
> What's that?
>
>
> zirc grease fitting ?
>
> anOn
>



I'm thinking automotive grease fitting.
I've got too many car tools... ;-{

here's some pictures:
http://www.sloantrans.com/catalog/2005%20Full%20Catalog/Zirc%20Fittings.pdf

-- 
Conrad Hoffsommer, RPT
Luther College
Decorah, IA