I saw this over on Pirate4x4.

It seems like a good price and free shipping to boot. I ordered a dozen to try. All the guys on Pirate reported the disks are high quality and very durable; and half the price of the LWS.

http://www.roarksupply.com/4-1-2-Zir...2flapdiscs.htm




P.S.
I am not affiliated with roark supply in any way.