Ergo360 Chair Armrests Replacement Chair Arm Pads - Diamond Pattern - 2 Piece Set - Screws Included These top quality office chair armrest pads provide a subtle diamond pattern on a smooth contoured surface. The diamond pattern appears 3 dimensional under light but feels smooth to the touch. Slightly concave support surface. The cushioning is a medium firmness. Color is black. The attachment screw holes are spaced 4" apart (center to center). Please measure before ordering. Attachment screws are included. Durable construction. Satisfaction guaranteed. Ergo360