Where To Buy Emergency Stop Buttons?

From: PSurfliner (LunarBrass_at_socal.rr.com)
Date: 12/29/04 

Date: 28 Dec 2004 23:42:13 -0800

Where can I buy several inexpensive (red) emergency stop buttons? I
have looked many places for such buttons and the best that I could find
were Cutler-Hammer? buttons sold in a Ebay auction that I lost to a
fast last-second bidder. Any help is appreciated!