(Painted 2 Row 20 Seat Alum Bleacher (EA)). Catalog Code:(NB0215C),SKU:(NB0215CB)-Frame work is welded aluminum angle. Seat planks are 10”W powder coated, anodized aluminum & foot planks are 10”W mill finished aluminum. Available in 2, 3, 4 & 5 row models, 15’, 21’ , and 27" Long as described. 4 & 5 row bleachers include chain link system guardrail & risers above seat row 4. Bleachers meet requirements of NFPA & the Consumer Products Safety Commission standards. Some assembly required. Ship in 24 hours!