Image Item No. Description  22388  Slope 45 1 x 1 x 2/3 Quadruple Convex Pyramid Catalog: Parts: Slope  5540  Slope 45 2 x 4 with Cutout without Studs Catalog: Parts: Slope  80545  Slope 45 2 x 4 x 1 1/3 Double, Tapered Catalog: Parts: Slope