Tasco WC1872S World Class Black Gloss 1" Low
http://www.tandktactical.com/shop/046162540893-tasco-wc1872s-world-class-black-gloss-1-low-4494
http://www.tandktactical.com/web/image/product.template/4494/image_1920?unique=9fc9061
Black Gloss 1" Rings, fits only World Class bases.
