Five-row bleachers with guardrail or chain link, with or without aisle. All laminated aluminum seats and a steel understructure provide a lightweight, stable bleacher. Laminated aluminum is supported by a strong, galvanized steel understructure made of 16" 3/4" x 1-1/2" angle steel. Double braces and a rear stabilizer bar provide added strength and stability. Laminated double-foot risers over 30" provide added safety. The aisle option includes a 2" OD handrail in the center of the bleacher. 15" long, 5 rows, 50 seats.