The "Centric" model of office chair arm pads offer a unique surface design, provide soft cushioning, and are compatible with many kinds of office 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 from center to center. Please measure your chair's armrest attachment screw spacing before ordering. These pads are black and come in no other colors. This unique style provides a modern look to the chair and allows for great comfort. This offer includes one complete pair of chair arm pads (right and left). Specify a quantity of 1 for 1 pair.. 2 for 2 pairs.. etc. Please see the product pictures to inspect the pads in further detail. If you are unsure if this product will work for your application, please feel free to contact Ergo360 for assistance.