This is a good source for Spectra line

[LostInSpace]

E-Rigging.com (http://www.e-rigging.com/store_products.cfm?Subcat_ID=320&Cat_ID=50&Menu_Choice=Catalog) sells an arborist throw line (http://secure.cartsvr.net/catalogs/catalog.asp?prodid=2704540&showprevnext=1) that is 180 feet of 2.2-mm Spectra or $26.10. They also sell 180 feet in 1.75-mm diameter for $22.50.

[jhanrahan]

I ordered a spool of this stuff. Like they said, it is very slick stuff. I have been cutting off 50ft lengths and sealing the ends with some heat shrink tubing for neatness. I weighed a finished 50ft length for the ULers, 1 and 3/8ths of an ounce.