Hollea anytime.If you hadn't ask I could remember all the places I found.The first we bought from a place in Pelham off 31 highway.The rest I found a few blocks over from the Downtown NAPA store.Maybe some other fellers now where I'm trying to tell.I just searched for any where locally and found a few places.The stuff you want to get is called HDPE,High Density sompin.sompin.ou can search HDPE.There are several around B'ham,anywhere that carries Lexan has it to.A place you might want to check on regular is Mid South Aircraft on Alton Rd. a few miles from Motion Industries.They have all kinds of stuff,I've bought drill bits by the pound,Lexan 4x8 sheets for 10.00,bolts,heim joints,hose,you never know what he will be getting in.He has all kinds of macining tools to.I'll try to find the numbers to some of these places tomorrow.Be sure to get the white in color,it is the strongest.Well I pretty much didn't answer that one so lets try the next question.Pops