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Old 7th April 2011, 06:29 PM
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ozzy1 ozzy1 is offline
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Join Date: Jul 2009
Location: perth,australia
Posts: 760
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19mm is 3/4inch in old money.Doesnt really make a lot of difference 19mm/20mm just depends on supplier.42m of 25x25x2 will be enough for any cockups etc (sorry mistakes ).ERW,Seamless,SHS again all have a seam on the inside so wouldnt worry too much.ERW does have a squarer edge though.
CTWV50 put your location in your profile as it may help in future.

Last edited by ozzy1 : 7th April 2011 at 06:51 PM.
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