----------------------------Original message---------------------------- About ten years ago we discovered a supplier of these plastic tubes. There were 3 variations. The one we use most is the 3.5 foot length with a 3-4" diameter. There is another that is the same but has a 3.5 foot extension you can adjust as you wish that is attached to the 3.5 foot tube. And the last one is a 6" diameter, 3.5 foot length that extends. They are for fishing poles, so check a sporting store for the brand and then contact the supplier directly. We got about 100 in the original order and they are all still in very good shape. Good luck, Cheryl ******************************************************************* Cheryl Woods Map Curator tel: 519-661-3424 Serge A. Sauer Map Library, SSC 1051 fax: 519-661-3750 University of Western Ontario [log in to unmask] London, Canada N6A 5C2 *******************************************************************