Eck Adams Parts Replacement Armrests For Stackable Guest Chairs MSRP: Now: $22.95 Was: These replacement armrest pads work on Eck Adams stackable guest chairs. The bottom mounting screw holes are 5.25" from center to center. These pads are cushioned with high resiliency foam and upholstered with black vinyl that looks and feels like... MSRP: Now: $22.95 Was: