<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=text/html;charset=iso-8859-1 = http-equiv=Content-Type> <META content='"MSHTML 4.72.3110.7"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV> <P>I blast action parts in a bench top sand blasting cabinet I got for = about $150.00 from a tool supply company. I use Grit-O-Cobs (from The = Andersons, P. O. Box 119, Maumee, Ohio 43537) which are ground from the hard parts of = corn cobs. They come in several sizes. I like the 40-60 size with about 10 to 20 = PSI air pressure. I find they have less dust than walnut shells. The Grit-O-Cobs = are in the $10.00 price range for a 50 lbs bag. Freight is more than the = product. </P> <P>McMaster-Carr Supply Co has several different blasting media (sand, = glass beads, nut shells). There Chicago phone is (630)-833-0300. They have = stores in several other cities. I find their prices about 10% to 20% higher but = they have just about anything in hardware you could ask for. The index of there = catalogue runs 100 pages.</P> <P>John Dewey</P></DIV></BODY></HTML>