Image Item No. Description  4228  Slope, Inverted 33 5 x 6 x 2 Catalog: Parts: Slope, Inverted  30283  Slope, Inverted 45 6 x 4 Double with 4 x 4 Cutout Catalog: Parts: Slope, Inverted  60219  Slope, Inverted 45 6 x 4 Double with 4 x 4 Cutout and 3 Holes Catalog: Parts: Slope, Inverted