Image Item No. Description  54200  Slope 30 1 x 1 x 2/3 Catalog: Parts: Slope  22388  Slope 45 1 x 1 x 2/3 Quadruple Convex Pyramid Catalog: Parts: Slope  3049  Slope 45 2 x 1 Double / Inverted (Undetermined Type) X Catalog: Parts: Slope