Hi Irv, Please post any response that you get from Charleston. My own enquiries on the boom fittings over the past years have drawn a nil response from Charleston. -- regards, Robert Robert Perrin Hon. Secretary and Executive Officer ANZAAS The University of Adelaide ADELAIDE South Australia 5005 tel: +61 8 8303 4965 mob: +61 0407 742 203 www.anzaas.org.au