Your OnLine Agricultural Catalogue Wilke Sales is your Canadian Dealer of Poly. A plastic that allows you to work in more abrasive soils easier that previously thought.Poly is a UHMW (Ultra high molecular weight) is a tough yet versitile plastic.Wilke sales is a family owned and operated buisness since 1987.We are located Southwest of Regina, Saskatchewan.For prices on our products please call (306)5865711 more... See more text