We strive to provide innovative new products to meet the need of the rapidly evolving world we live in. Our goal is to provide products manufactured with the best material and consistent, processes. 5 Row 21 Feet Preferred Vertical Picket Bleacher. Preferred blankers include double forage boards in all rows. The frames are 100 angle welded aluminum. The seat boards are anodized or powder coated. Whiteners include fender system and lift boards on rows 4 and above. 9 gauge steel chain link fence. Colored fences include colored baseboards only. Specifications. Red color. Size: 21 inches Weight: 504 lbs.