Ergo360 Replacement Office Chair Arm Pads Complete Set Of 2 Chair arm pads offer an excellent combination of quality, comfort, and broad compatibility. Replacement chair arm pads are 9.75 inches long, 3 inches wide, and 1.75 inches thick. Chair arm pads have 2 sets of bottom attachment screw holes: 4 inch and 5.5 inch from center to center. Please measure before ordering. Attachment screws are included. Medium soft cushioned chair arm pads made of durable black polyurethane foam. Pricing is per complete pair (right and left) of new high quality chair arm pads fresh from the factory. Specify a quantity of 1 for 1 set.. 2 for 2 sets.. etc.