Centric office chair arm pads offer a unique surface design, provide soft cushioning and work with many chairs. These armrests are 10" long and 4" wide. The bottom attachment screw holes are spaced apart to accommodate both 4" and 5.5" spacing. This offer includes one complete pair of chair arm pads (right and left). Chair arm posts are not included, they are pictured for illustration of the installed product. Pricing is per pair (right and left) of new high quality office chair arm pads. Specify a quantity of 1 for 1 set.. 2 for 2 sets.. etc.