Image Item No. Description By  33243  Slope, Curved 3 x 1 x 2 with Hollow Stud Catalog: Parts: Slope, Curved 5  42022  Slope, Curved 6 x 1 Catalog: Parts: Slope, Curved 12  42023  Slope, Curved 6 x 1 Inverted Catalog: Parts: Slope, Curved 5  41766  Slope, Curved 8 x 2 x 2 with 4 Recessed Studs Catalog: Parts: Slope, Curved 21