I got mines from LatheWerks, its a white Copolymer. His (one man biz) site and my knob is here: http://lathewerks.com/shop/product_i…

I got mines from LatheWerks, its a white Copolymer. His (one man biz) site and my knob is here: http://lathewerks.com…

Consumer service is very important to me. Buy an Apple computer.