One more idea that I am implementing. I have bought 12 of these brass long shank padlocks all keyed alike

http://www.allpadlocks.com/cgi-bin/ez-catalog/cat_display.cgi?account=X380790;search=26160;searc h=Imported%20%23%3A%2026160;limit=product;v=2.0;pa th=73;layout=system:layout_0100.xsl


so I can use the samekey on each stand. Helps when switching things out and doing maintenance. Take some 3 in 1 oil with you and oil it up good every winter when doing pruning on your stands.
Chap