b'Double-Rolled Steel Frame: Quality FeaturesFRAME DESIGNSandlers X-Frame chair is one of the most widely used designs in indoor arenas and venues throughout the world.The unique double-rolled steel frame gives the chair an inherent flexibility, offering unparalleled strength and stability. These frames can withstand the most demanding audiences, whether a lively concert or sporting event.CHAIR FEETThese high-spec chair feet feature non-marring rubber cushions over U-shaped steel glides, along with tension grips to avoid unintentional removal.A R A N T EG U EDS T EE E L A MF RSELF-LEVELLING GUARANTEEDThese flexible folding chairs compensate forAll Sandler double-rolled steel chair frames uneven floor surfaces. are guaranteed for ten years.7'