Build staging arrangements on a budget with with Norwood Commercial Furniture's Four Piece Pie-Shaped Riser Unit. The adjustable design’s built-in couplings allow you to safely connect risers into curved formations for choir and band performance applications. This attractive three-piece set of cascading risers also provides additional custom arrangement options when combined with Norwood’s Single-Height Portable Stage & Seated Riser Section. A durable 16-gauge steel frame supports the solid plywood decks. These pie-shaped risers have a distinctive black carpeted deck.