SB 36 Series The SB36 Series is available in 5 colors, 3" or 4" depth and all the popular standard sizes.  Custom sizes are not a problem. SB37 Series A more traditional look, the SB37 is available in a broad selection of both painted and stained finishes in a 5" depth. SB50 Series Classic and elegant, the SB50 Series is available in 3 colors with a 4 inch depth.