Check the listing for details. Desk Chair Replacement Armrest Arm Pads Medium Soft 1 Pair #SILHOUETTE. Condition: New. Listed at 19.99 USD. 1 Pair of replacement office chair arm rest pads10" Long x 3.75"(widest)/2.75"(narrowest) WideMounting screw holes are 4" (100mm) apart1/4-20 threaded mounting screw holes (screws / hardware not included)These arm pads fit most adjustable or fixed office chair arms that have the standard 4" (100mm) wide mounting screw hole pattern (4" measurement from enter of hole to center of hole)Cut-out area on underside of arm pad for mounting fixed or adjustable arms measures 5.25" long x 1.9" wideLeft and Right side are the sameGreat for use as new, replacement, or upgrades for the arms on your office chair, stool, or task chairLevel of firmness ensures longevityMade of soft touch polyurethaneMounting screw hardware not includedBlackShips as a pair - 2 pcs