Image Item No. Description  61409  Slope 18 2 x 1 x 2/3 with Grille Catalog: Parts: Slope  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  15571  Slope 45 2 x 1 Triple with Bottom Stud Holder Catalog: Parts: Slope  3048c  Slope 45 2 x 1 Triple with Inside Bar Catalog: Parts: Slope  28192  Slope 45 2 x 1 with Cutout without Stud Catalog: Parts: Slope  3039  Slope 45 2 x 2 Catalog: Parts: Slope  3678b  Slope 65 2 x 2 x 2 with Bottom Tube Catalog: Parts: Slope